No agreement in ITU‑R
WP4C on the measures needed to protect the
RNSS in the 23cm band.
No agreement in ITU‑R
WP4C on the measures needed to protect the
RNSS in the 23cm band.
We have few days only till 2024. Let me wish by
OK2KKW Radioclub to all readers of this web welfare for last 2023 day
+
full of happiness, good health and fun in 2024. Forget dirty tricks
and be a good man for everyone! ČTÚ (Czech
radiocom.regulator) reminds us that the
Measure of a General Nature informs about the preparation of a
document defining measures for the protection of the satellite
radionavigation service from amateur
service in the band 23cm & ECC
Radiocommunication Committee of EU wkd on decision include
report on that matter.
OK1KIR
message -> they
wkd first 3400MHz
EME QSO OK -
DU (Philippines). Congrats!
OK first QSOs.
On
4th. January morning is predicted peak of
Qadrantids meteoritic shower. Join
any nice MS DX QSO! 65th.edition
of
Contest Romagna CW,SSB 144MHz
part will be held
already on Jan.7
2024 from 9 to
14h.UT. OK1TEH
wkd. with 1m only wired dish at his
temporary balcony holder on 9cm QSO with
HB9Q via EME. Handy
spectrum
analyzer with option up to 6 GHz. Suitable 70cm aerials by
Antennas-Amplifiers. OK1AIY abt,
history of OK beacons (1990).
Claimed
points in OK Xmas 2m contest 2023. 23cm
PA 300W
by EU2AA.
Consideration about.some posible new way
for GHz hams. Cheap handy
toy transceiver from CB to
600MHz. Sad msg: in peace passed away VHF designer
OK1AIK.
OK ham community lost one enthusiast more. RIP! Remind OK1AHH, who
designed septum feed.
Update your present rate.
LNAs 4 you.
Near Infrared
bands? Final results of the VHF part Alpe-Adria
Contest
check here.
GB3MBA is 50MHz Meteor scatter beacon.
Completed results of the
UHF/SHF
leg of
A-Adria Contest. We won 1,3GHz even with our non-contesting call. G4SJH praised
hams
how smoothy
they lost power in DX band 23cm. IARU
see
differently value of contesting. OK1VAO
released prefinal results of the IARU UHF Contest IARU. It
seems we won in OK at 1296MHz band. On Sunday (17.12) could be nice
Aurora Borealis,
due to
X3 CME on Thursday. Beside it
fine
tropo condx. 20W
power amplifier chip for 10GHz band. How to
suppress unwanted
sidelobes of 50 ohms Yagis quad.
TS2000E modification due to changes in the 23cm bandplan.
Next
August will be held 20.EME
Conference. Just on
yesterday (12.12)
was anniversary of the very first
wireless QSO over the Atlantic ocean.
Remind
it.
Results
of DUBUS /
REF EME Contest 2023. Marconi memorial VHF contest
in Slovakia ->
prefinal
results. 24GHz
with
10W PA MMIC?
OK1DFC's
show
session.
Results of
UHF-C,
MMC in HB9.
HF is
full of radars. Visit online
technical library of NTMS.
Geminids are on the way. Peak is predicted for
Thursday 14.12 evening. OK
results of the IARU VHF Contest. Make a time reservation in your
diary for May
Nordic VUSHF meeting. Winter OK
QRP Contest 2024 will be held on Feb.4th. together with
BBT. On 17.2. plan
GHz tagung Dorsten.
Precorrection of IMD distortion shall improve
linearity of TX
chain.
Within few days await
Geminids MS shower. New
HF band is
needed?
Test
by Sarka OK2SVA. CRC released its
results of the IARU VHF Contest in OK. Other
122GHz
solution.
47GHz
by
JJ1IJQR.
CME induced
Magnetic
offset. IARU released interesting
paper. LPF
for your 2m PA. F6ETI
and EME video.
Small 23cm 14 el.Yagi
by DG7YBN. VE7BQH antenna
analysis.
TNX to I4JED for several old results of
Marconi Memorial C.test by I4LCK archive. Our results
list update. Au
record of LA3EQ
QSO on
2m Au
1.12 Orebro SM EME meeting's web
is
back. Funny AAC video
IU3LYQ. Present running
info from
WRC23. Interview even touch on μW bands. Estimated
CRC response? HF priority!! Abt.
transmitter
Ještěd.
OK1AIY wrote
next part of his series abt. μW hamradio gear.
Waiting for
Aurora agn? Final results of the UHF/SHF
Contest IARU in
DL and
OM. Result lists of IARU VHF Contest 23:
OM and
DL. After
worthless loss of 23cm the
Hi PWR would be possible to open to μW designers
new option at 13cm. Updated
contest logs 2023 incl.
activity contests & MMC 23. How to
verify
coax.
cable by
use of mini VNA
unit. On Saturday evening were beside
EME Contest as well as Auroral condx (G0JDL
pic). We met
K1WHS agn. This weekend remind
second leg of ARRL EME
Contest. Leave info! From
EME history
of first 10GHz QSOs. Few remarks abt.redrawing
of scale of old panel meters.
Such by
old
one. Or by help of a
suitable graphic
tool. The World radiocommunication
conference WRC2023 get
started. Beside
regular plan will decide
abt, 23cms. My
expectation to defend
DX/EME
operation in the
23cm band are not high.
Hamradio session
in Brussels.
Leonids regards. SMD
coils you
can buy
here. Important ITU
report in the
23cm
band
issue and even
worse. K2UYH
published new
EME
Newsletter for 70cm
&
UP.
First 2m / 70cm QSO
(EME) OK - 4W8 ,
congrats.
What it is?
Multihop Es, strange TEP,
or what? DL7APV is selling his
EME antenna.
Water cooling
cleaning.
OK2KW web update is done: for example ->
links to OK/OL/OM ham
stations, OK0EP spots,
Awards,
results,
reports, contest
logs and more. OE2IGL
prepares 24GHz EME. Multiband
feed
for 23-13 and 9cm
single dish. MMC2023 by
OK2KAA,
OK1KMP,
OK5Y w.OK2KKW
help. I seen, how others count PWR on antennas hi. Design
delicacy. Interesting
BLDC
electroengine. MMC 2003 by
OK1KHL. Impedance
matching techniques. Marconi memorial C-test by
OM6A in 1476m
asl. Prefinal OM results of
UHF C-test. IARU VHF Contest in
DL. Almost all OK VHF operators are as well
as
drivers.HB9SV SK
RIP!
More. MMC
2023: contest report
OM0FC. IARU
still believe, that 23cm hamradio will be defended. Of course
at least
for local ATV QRP
communication... Mystery of the optimization of Yagi
antenna elements thick and
consideration.
Copy of the OL7M MMC report. MMC 2023 by:
OK7SE,
OL2J, OL7M,
OK1KKI,
OK2KRT. Claimed results from:
9A,
S5,
OK, OM,
PA,
G. Aurora 5.11 + pics::
OK,
OM,
others,
History of 2m Au.
First 2m QSO
OK - TJ9 wkd
Ivan, OK1IL, congrats.
Aurora 5.11 reports:
OK1TEH,
DF2ZC, DM7RM++,
UA stations. 2m EME from Cameroon by
DJ8JJ - TJ9MD. Check possible
Aurora
on Sunday evening. More
1,
2, 3,
4,
5, VHF Marconi Memorial
Contest 2023 is gone. Next challenge for VK hamradio community
in
TEP propagation by VK2ZRH.
UHF Contest in DL - final results.
Quite "broadband" Contest report from the IARU
UHF/
SHF Contest 2023 by OK2A,
4W8X EME DX-pedition.
UR3QQJ's
antennas.
Cameroon. TEP:
6100km DX on 2m. Next weekend join
2m CW
Marconi Memorial C-test. ARRL EME Contest 2023
already this weekend (28-29.10). Cabrillo log send
this way.
T7 DXCC still missing?
Impedance matching techniques by
KG5YQO. 23cm Yagi
by DG7YBN.
UHFC 2023 by
OK1KMP and
DL4M.
UHFC 2023 by:
OL1C,
OL3Z,
OK5K,
F6KFH,
I1KFH,
9A6C. An introduction to
Microwave World by AA5C.
IARU negotiations focused to make an agreement aimed to defend
of 23cm hamradio band didn't finished well. OK1GTH sent us
link to record from UHF Contest 2023. Next video are from
IZ7UMS and
EA3RCH +
EA3ERN. MS shower
Orionids - opportunity for 70cm MS QSO. Hotel Klínovec (JO60LJ)
change landlord. If you need.. K2UYH
released
EME newsletter for 70cm & up.
UHFC 2023
by:
OK1KKD,
G3XDY,
DC1EHG,
OK2A's
logs. OK1DOM sent us delayed final
results of the Summer
OK QRP
Contest.Congrats to OM3CQF!
EME TJ9MD. UHFC 2023
IZ3NOC +
translation, After 22nd Oct.
will be on 2m nice EME
condx.
OM results of VHF Contest. October
issue
of the 2m EME NewsLetter DF2ZC.
UHF-C 2023
PE2V. Still valid UHF-C
record by
OK2KKW.
UHFC 2023 by:
9A6C, DK0NA,
DL1EMY,
OR6T,
IQ1KW,
S51ZO,
S53MM,
S59P,
YR0K,
OK1KUO,
OK1OPT. UHFC 2023 by:
OK1KPA,
OK2VMC, OM0FC,
F/DL3IAS. Claimed results
in:
9A, S5,
OK,
OM,
DL,
G,
IARU. Pics of several
Eu EME dishes
RW1AW,
SM7GVF,
PA3CSG,
OK1DFC,
ON7UN,
HB9Q,
DL6SH
and
more. CRC
announced
termination of their HF Hamradio Bulletin.
T70A - EME on 2m in October 2023. Tropo
again? On Sunday 1st
Oct.
was
nice Tropo opening F
->
OK/OM,
report of
OK1TEH,
F6DKW
hrd on
3cm OK0EKL. On Jan.1.2024 ends
9cm in
HB9 and maybe not only there. Japanese
2W MMIC for 24GHz.
3cm 150km
QSO. Next part of
OK
microwave history by OK1AIY & his
mind
back. Unusual
LNA for 23cm with ATF54143. Microwave Office AWR - SW
tools for GHz
circuits
design. ARI
EME Contest already
this weekend! Good luck! OK1VEC
SK. Well known VHF
ham leave
into area of neverending DXs. RIP!
Aurora 26.9?
But not on
FT8!
Middle power
70cm PA by I4CIV.
40W CDMA 460MHz SSPA
of OK4C -> conversion
for
70cm.
Internet
at HF. OK1AMD SK.
RIP! LDMOS transistor ST:
750W at 23cm. Slovak
Contest
PC log. How abt.telegraphy? Test.
Leave info of your
participarion
in
UHF/SHF C-test.
Interest in SHF hamradio is everywhere.
SSPA 24GHz. VHFC 2023 by:
OL1C
&
OM3RRC. Tropo 9/2023 by
SM7LCB. 150W
13cm PA I4CIV.
Commercial TVI
BPF. ARRL EME Contest 2023 -
microwave part by:
OK1CA,
OK1KIR,
OK2AQ,
OK2ULQ. OK1UGA
abt. TVI.
Hamradio
history.
Failure fix of
YAESU G1000DXC rotor.
How to
control
speed of 230V
/ 50Hz ventilators. Marek
SP2MKO SK
20.9. Remember experienced
3.cm
friend. LDMOS
RF5L052K0CB4 1,6kW
@
70cm.
Leave announce about
participation in the
UHF/SHF C-test.
SHF
hamradio is everywhere.
SSPA for 24GHz. VHFC 2023
by:
OL1C &
OM3RRC. Tropo 9/2023 by
SM7LCB. 150W
13cm PA I4CIV.
Commercial
BPF & TVI. ARRL EME Contest 23 -
microwave part by:
OK1CA,
OK1KIR,
OK2AQ,
OK2ULQ.
OK1UGA's article
abt. TVI.
Hamradio
stories.
Reparation of
YAESU G1000DXC rotator.
Circuit for speed control of 230V/50Hz
fans in PA. Marek
SP2MKO SK
20.9. Remind experienced
3 cm opertor.
RIP! LDMOS
RF5L052K0CB4: 1,6kW at 70cm. Look for sales,
2kW LDMOS for 144MHz. Linearity
test (at 6th.min).
Compare
here. Tropo condx
next week?
ARRL
10GHz & up Contest in September 2023 as
seen
by AF4JF: 1st part.
Today
(19-9-23) were
Au
condx. VHFC 2023 by
OK4C from
Klínovec hill. From QRO perspective this
coax.relay isn't
any
miracle. (tnx.YO5LD). DB6NT & DK5NJ
worked
first contact DL-F on
76/122/241 GHz and also
first contacts DL/PA-ON, congrats. VHFC 2023
by
OK1KKY,
OK6M,
DR2X,
F6KFH,DL.
Tropo 9/2023 CW/SSB by:
OK1MZM,
OK1TEH,
OK1ZHS.
Tropo 9/2023
FT8 by
GM4FVM,
DL3IAS,
OK1ADT,
OK1KZE,
OK2WO,
OK2ZAW,
S50C,
S51ZO,
PA0O,
FM.
OH0 at 23cm. New
firmware for IC9700. Will they
simple stop 23cm?
PA microwaves.
Download tech.articles.
No measure
-> no knowledge. A bit abt.
23cm PA KL7UW
testing. Written
abt.
us.
Tnx! FT290
display
change. Real Hamradio
adventure on Microwaves by W5LUA. Digital
archive focused to
hamradio and communications. Anateur radio daily. Link,
which you may consider useful.
Claimed results in the IARU VHF-C
9A, S5,
OK,
OM. For sure you know it: antenna (Hi
PWR) relay
shall be in case of transmitting
in sleep mode and
active for RX!
Tropo
log 2023 (w/o FT8) from
Prague 8.
North American VHF Field day -
report VE3IRR: compare
EU results. Such strong were on
8.9.
morning
Slovak
beacons in Prague.
VK3FS
video records - microwave adventure. K2UYH released his
EME
Newsletter for 70cm and up.
Good tropo to North continues, NAC's log of
OK1TEH.
VHFC 2023 at:
OK1KKI,
OL2J, OK1OPT,
OR6T,
HA8V,
S50C,
S59P,
9A0BB,
DR9A,
HB9HLM.
24G
Wavelab. VHFC 2023 reports:
OK1KPA,
OL7M,
OK2KRT, OM0FC,
ON4KHG.
Claimed results:
9A, S5,
OK, OM,
PA,
G.
Sunrise
on 6.9 in Prague across thermal inversion layer. EME beacon
DL0SHF at
10GHz is temporary down. Next weekend
will be held all bands ARRL
VHF Contest. Try your first
EME QSO. When
Sun
getting fever. Results of the 75th OK VHF Field
day Contest
here. Final results of July VHF-C in
OM
&
DL. CRC
in silence.
Give a new life to old power
transistors. Construction of
small
&
middle SSPA.
EU results of the
2023 FD-C.S End
of August for full of nice 3cm
RS
openings, log
OK1TEH,
F5LEN.
Analysis
of usable SCP by
OK1TEH.
Remind to leave an announce
about your planned
participation
in IARU VHF Contest 2023. IARU rules>here. SP SHF
meeting
Zieleniec 2023, photos by:
OK1TEH,
SP2IQW. 8-10.9
will
be held
the Weinheim meeting.
Don't
forget to send info about your
participation in IARU Region I. VHF Contest 2023,
weather forecast is
here. CRC
meeting in Holice 2023 by
OK1EM. From where are
visitors of
OK2KKW web? IC7300
firmware
update.
Useful tool
for quick for a quick measurement of waveguides.
Kuhne
restarted selling 1W PA
for 47 GHz band. What new on the
DG7YBN web: more info
about crossed Yagi
antennas. A bit
another access to KST chat.
On August 21, let us recall
radioamateur
stories of 1968 and
more.
MP3
archive, emergency
TV broadcasting.
VHF Contesting -> reciprocal
interference
& ok2pwy's opinion. 3cm RS:
DL3IAS and
OK1TEH on Sunday
13.8. 15th August
OK2KKW's web
celebrated the
23rd anniversary,
Mni thanks
for your interest
for our daily info!
Perseids 2023 -
CZ photos, reports:
OK1TEH (70cm),
OK1UGA,
OK1DIX,
UA3MBJ.
GM4FVM and
Tajfun
PA. Alpe Adria VHF & QRP Contest 2023
by
OK1RCA at Klinovec.
New records on 76GHz++
by SP/DK5NJ JO71.
Perseids 2023 -
history,
gallery, when to set
sked,
MS radar,
ZHR, on 2m is
running
UA6LQZ
from LN16IX.
Perseids 2023 - tracking of
reflections via
PSK reporter.
MS Sprint Contest.
Update
of Sun & Moon noise table. Alpe Adria VHF & QRP
Contest 2023 u: OK1OPT,
OK1TEH,
OK1KMP,
OE/OL1P,
S59DEM,
S59P a
S57O
20W GaN amplifier module for 10GHz +
LNA MMIC for the same band. EME
NewsLetter
K2UYH for 70cm +
up.
Patch feed
into a parabolic dish for 70 and 33cm by W5LUA. Maybe it
would be upgradeable for 23
& 13cm. Pavel
OK1AIY celebrated round birthday starts by eighty. Let's wish him
concrete health & new DXs on
µW! 6.8 night
passed away
microwave admirer
Franta OK2QI. RIP! W6PQL visit Azores &
already he's
QRV EME. Since August 6th. till EOY 2023 Italian
stations
are
allowed to use
70MHz
under condition not to exceed 10W. On August 27th W7GJ starts
6m EME
Dx-pedition to Mauritius. MS QSO at 4m you can wkd with
TF/SP7VC.
Funny...why IARU
defend rather HF? New OM
beacons. Alpe-Adria C-test on
Sunday in a
rainy
weather. Update of meeting Agenda of VHF
Convention
Zieleniec. July C-test
2023 of
OK6M. 300mW
76GHz amplifier. New Slovak beacons OM0MVB and
OM0MUB from JN99EH, at 144,422 + 432,422 MHz even heard in Prague. July Contest 2023
I1KFH,
IU4APB,
IQ3LX,
PA1T.
Difference
evaluated by marketing guy. FT8 box for
disgrace? It is not related to VHF, but maybe such
DX-pedition may kick on
someone to arrange this trip QRV EME incl. Video of the "Youth FD" and July VHF
contest 2023 by
OK1KEO. HW
gadgets by DK3HA.
July Contest in
DL. Known
results of
contests were added. Waiting for July Contest
evaluation.
Perseids
hits
starts up
short
Es. OK1DOM invites you into Summer
QRP Contest. 2m Meteorscatter
Sprint C-test 2023.
3cm
DL0SHF QRV. Why it must be complicated? Let's use
simple way monitoring. For sure you will use such
rejection
filters unit. Reports from July 2023 FD by
OK2A
&
OM3RRC. IARU released EU
incl.OK results of Microwave C-test 2023. July Contest 2023 by
OK1KMP (OK5P),
pics from Russian NFDs and
simple
rotator. Directional
coupler.
Test. July Contest 2023 by
RX3DR,
OL2J,
G4GA/p.
Planar antennas - design and use.
EAGLE PCB for OS LINUX.
July Contest 2023 by
OL7K,
OM4C,
OK5K. This weekend join "US"
CQ VHF Contest and EME RU
C-test. 250W
23cm PA US4ICI. Prefinal
European results
of the May VHF 2nd.subr. Contest 2023. We won 3.bands! Field day 2023 by:
OK1KUO,
OL2J,
OK5K. KM5PO's
news with
24 GHz WaveLab, see
more.
WB8LYJ's rover. Field day 2023 by:
OR6T,
S51ZO,
S50C,
S59DEM,
S59P,
HA6W,
HA1WD. We
published OK2A's VHFD logs.
Field day 2023 by:
DK0NA,
IQ1KW,
DR2X,
OM4C
+
9A4QV. Claimed results in:
9A, S5,
OK, OM,
PA
and
G. Last night we had lightning in Prague.
OK1TEH's pic.
July Field day by
IQ3LX,
EI7T,
OK1OPT. News
SM6VTZ. Shortly we can await
OK QRP
Contest & "adult"
Alpe Adria Contest. Remind as well VHF
meetings
SP6 + S5.
2023
Es season is still ON. Try it not only on FT8, but as well as on CW
+
SSB at almost HF bands
6
& 4
m. 43. Nordic V/U/SHF
meeting 26-28 May 2023 & Swedish DX record
at 122GHz.
Metamagnetism
and
RF filters.
Report from July Contest
OK2KRT,
OK1KKY,
OL4N,
OL70KVK, OL7M,
OK1KPA,
OM3KTR,
OM3KSI,
G3PIA.
Delayed
report
of OK2A from the
June Microwave contest 2023. Microwave
Contest by
OK1KPA and
OK1EM.
No agreement in ITU‑R WP4C on the measures needed to protect the
RNSS in the 23cm band. Next risk 4 us. Combination of Es allow to set
new 2m Es DX record 5354km:
CT9/OM3RG -
RN4AT. Congrats! Web
G0ISW. Don't forget send your logs from July C-test into
IARU
evaluation. About noise from
LDO
stabilizators.
Part one. 75. OK VHF Field day is over. Claimed OK
list check here.
OM3TRN, well-known designer has 70. Congrats! OM Power working on upgrade of theirs 2
metre PA: the new
OM2002W may deliver 1800W and water cooling. Announce your plans to participate in
comming July VHFup 3rd.subregional Contest.
Fotogallery of YT0A club. Alpe-Adria UHF-C -
video from
IK4HLQ
team.
Sky above OK and DL traversed
bright
bolid. We
would support it. We were in
Friedrichshafen on Hamradio_2023
convention and from IARU we received some pricing.
1,
2,
3,
4. Based on the
successful
negotiations of
IARU with ITU-R starts
clearance
sale of amateuradio 1296MHz gear. Final results of the May VHF-C (2.s) in
DL. Did you wkd "impossible"
Es QSO to EA8?
23cm band 1298
-1300. OM5CM released final
OM
results of the May 2.subr.
Side band noise measure
by ordinary spectr. analyzers. YAESU by
FT710
model has shifted 70MHz band into HF hamradio bands. Unfortunately
it probably helps
FT8. 13cm driver
by RA3APW delivers 4W only. Check another
way
here. More.
On July 5. will be FT8
outrage
test.
Final results of the May 2nd. subregional
Contest.
Thanks to OL9W help we won (hattrick). Where
await RS? Hamradio (primary) 24GHz band you can support by
100W SSPA. Microwave
connectors.
Relays
for antenna. On August 18 - 20 will be next SP
VHF hamradio convention Zieleniec. News on
DL7QY web.
Beacons for Es. On 15.6 was
unique 2m Es from CT3
into OK/OM,
more
here, OK1TEH's
log.
G7RAU a DK5YA
about 2m
Es.
New 2m
EME
NewsLetter DF2ZC. Don't miss weekend
6m IARU and
popular
Alpe Adria UHF/SHF Contest.
New
EME NewsLetter DF2ZC. Yesterday (15.6) were again
Es opening. This weekend join
6m IARU Contest.
SHF Contest 2023
by:
OK2VMC,
OK6M,
OM3RRC,
DL3IAS,
F6KFH,
9A6C. Mem.OM3AU:
OM0FC,
OL7C.
SHF Contest 2023
by:
DK0NA,
IQ1KW,
9A4QV,
S51ZO,
S59P. Claimed results
at:
9A, S5,
OK, OM
and
PA.
SHF Contest 2023
by:
OK2VMC,
OK6M,
OM3RRC,
DK0NA,
DL3IAS,
F6KFH,
9A6C. Mem.3AU by
OL100RJ.
13.6
was
2m Es from
OK into UA4, EA.
4m Es log
OK1TEH. OK2A's logs
from June Microwave Contest 2023. Present
EME
NewsLetter K2UYH for 70cm and above, July issue in preparation.
Microwave contest
OK2KOJ. Interesting
web pages:
1,
2,
3,
4. Claimed listing of
OM Microwave Contest. 09062023
Es
open as well on
4m. USA will be held this week
ARRL
June VHF Contest. As well as
EME contacts
are valid. Give them points.
Book, which should be not missed in your
library shelf.
Alternative
software
for communication by plane scatter.
100W PA for 24GHz band. June
DX-pedition OJ0EME
plans to be QRV on 23cm. Spaceklabs
µW
amplifiers.
Microwave contest 2023 by
OK1EM. OM3PV SHF_OM
& OM3KTR head is SK. RIP!
March C-test
OM results.
June 2023 SHF
C-test by
OK1KPA.
UHF
+ µW Alpe Adria C-test
will be on 18.6.
Data
of Russian
EME C-test.
OK2KKW's
report from May subregional contest on 70/23/9/3cm bands,
pictures in full resolution
are here.
Prefinal results of 2.subr. appreciated. SDR microwave
transceivers from S53MV.
24GHz modules by
CT1DMK. New in EU
ECC Newsletter from May 2023. VHF/UHF/SHF
handy beacons OK1EM by OK2MMO. 23cm
ODXs. G4SJH & PA2DW
declared satisfaction
with meetings results
between IARU and ITU
in the RNSS 23cm issue.
Leave your announce about
participation plan in
Microwave contest and OM3AU Memorial at 144 &
432MHz. 7kW out SSPA from
MAPC-A1605 GaN up to 23cm
band. Web OM8AND.
IARU direction to
10W at 23cm? This
weekend
were E sporadic
on
twometres.
Connectors &
contacts Molex for
your
gear.
Morsefree
web page. May VHF-C
2023 from
JN54KK
hill -
video. Free download of
SW AppCAD by Agilent. DL7QY going
to QRT. May VHF-C
2023 by
OL7K.
As a each year, first real 144MHz Es came around May 23.rd, see
here and
here. Low loss microwave
laminate
R-5375 for PCB by Panasonic.
Substitute for 23cm? uW, 4, 6m C-tests:
no FT8!
May VHF-C
2023 by:
DC6CX,
OL7C,
OK1RDO,
IK4HLQ,
IU4APB,
IU4DCR.
FT8
plague already at 23cm
EME. May VHF-C
2023 by:
OL7M,
OK1KKD,
OK1KUO,
OK2KRT,
OK5K,
DR2X,
F6KFH,
G3XDY,
HA6W and
S59P. On 18th May we had
100y anniversary
since start of First
broadcasting in OK. K5FF SK.
Wavelab 24g
upgrade.
On 18th May was
first bigger
2m Es.
Update of
QSL cards (tnx
OK1KIR).
23cm antenna at DK0NA.
ARI IAC.
Soldering is a science
(low-temp-melting tin
you may
buy here, good
soldering pistol
here).
10 G DX by N0UK. Short report OK6M from May Contest.
History of U.S. ham radio
microwave communication.
More. By
OK1AIY. May VHF-C
2023:
IK4WKU,
DA0FF,
HB9GF. Other:
VUSHF meeting,
DXYO,
RCC,
FYI. 4+ 6m:
IARU &
Tesla.
FR5DN still operates experimental
TEP beacon in LG78QS. It
could be interesting for southern OM, HG + YU. May VHF-C
2023 by:
OL2J,
OL3Z,
OK1KMP,
OM0FC,
OM3KSI,
OM3RRC,
9A6A,
DK0NA,
OR6T,
ON4KHG. May VHF-C
2023 by:
OK1KFH,
OK1KPA, OK1OPT
+
IQ1KW.
Claimed results
at:
9A, S5,
OK, OM,
PA and
G.
On
8th May was first
2m Es of 2023 season.
Check out possible Aurora
on 10.5.
May 70cm
NAC by
OK1TEH.
Actual questions of next progress in the
issue of WRC23 hamradio GHz bands.
More plus
here. Why that
way?
Leave your info abt. plans for May
subregional VHF Contest. For 70cm
MS DX via
Aquarids use FSK 441 mode. Weather
forecast
4 May VHF Contest. EME
beacon
DL0SHF by info increased
24GHz PWR
to10W.
Aquarids. HW for
47 and
76GHz by
OE2IGL. From OK2IMH's
web page and
PA0EHG
view. 47GHz EME by DL7YC.
OJ0EME. Aurora log on 23.4 by
DL6BF
and
OK1TEH. Presentations
from Spanish
Micromeet meeting.
MS trip - 4m locs. Transverters OE2IGL for
10 a
24GHz.
Article not only about
TEP condx
history. Small 2m
PA unit
with
BLF278. Isle of
Sark.
Nice trip?
More. OK1IF
remind old style
booklet. KA6U is
again on the EME road. G0KSC
wrote. Beside Aurora you have
over the head
as well MS
shower
Lyrids. Check as well as more sensitive mode
FSK. Probability of Aurora await as well as
tomorrow 24-4. afternoon. Web PE0RWE focused to
technical
matters. Due to CME of M1 class on the Sun at
21-4-23
arrived on 23.4. to Earth
plasma
cloud &
made a
nice
Aurora
+.
K2UYH
sent
EME Newsletter for 70cm
&
above.
We got a
MSG, that first 2m
QSO OK-CY0 wkd OK1UGA.
Page update
1,
2,
3,
4. Parabolic dish
antenna basics:
OE2IGL
& RA3WDK. Ham
radio
history in City of Telč. This weekend join
VK3UM memorial EME C-test. VK3UM RF calc based on old hygienic
limits of EMF in EU. Julda
OK1NE passed away.
Remind him!
Hygienic limits for
RF EMF exposure
in EU are
unclear.
More. Friedrichshafen 2023
info. The fair will be held a week before
July
FD C-test.
FCC limits of
EMG field exposure. How to shift a
local oscillator
of the microwave
transverter by DB6NT. Prefinal
results of March 1.st sub.C-test. ICOM
published price:
microwave transceiver IC905
price would be (w/o 3cm ODU)
up to 5000€.
23cm
troubles. New OK1UGA's
dummy load for
23cm band.
47 GHz rover by KM5PO with TRSV
shifting instead of
WG relay.
An another usage of 9 MHz band. FT8 and "deus
ex machina". ICOM 905 -
advertising movie. 60km
on 122G. OK1DOM sent us
final
results of the Winter OK QRP Contest. On
14 - 17.4. will be activated via
EME ZB2BU. Today is an anniversary of the
first man
flight into space. Remind
first VHF hamradio QSO from the Earth orbit. Thank you for understanding and repeated download of
corrected SW log VUSC 7.05.
New files from NTMS. VUSC v.7.05 OK1DIX released 2 days ago. See below.
Unfortunately incl.mistake.
Download it again
& install! Already 44 years ago were first release
of
Amateur optical communication article and the content is still
actual. Web page
update. DB6NT
archive. On Sunday April 9.join traditional
OK VHF Easter C-test.
23cm from SP5. OK1DIX released
new
version (7.05) of
the Contest log VUSC, now with ON4KST
update of telnet connections. E-shop
RFMW can give you chance to buy microwave
components across all
EU. Have you worked
Gibraltar? Moon-net is tempr. swtiched off, try
DF6NA's
EME-net.
10 GHz net
in USA and
122 GHz net
from UK.
Refurbishment of old 70cm ant. F9FT.
Results of ARRL EME
Contestu 2022. Actual wording of
CZ Telco act. Simple
dual feed for
use of geostacionary satellite Es'Hail-2 (Oscar 100).
More. 9A 23cm
beacon in
JN83CW.
Ham community lost
Simon G3LQR.
Sad news by G3LTF. Simon was very
active
incl. EME
since 70-ties. RIP!
By
IARU were in March VHF 991
active logs, but maybe
still not all from Italy. DL stations:
54% and OK: 14%.
Italian
EME trophy ARI - spring part of EME
contest at ordinary VHF/UHF/SHF
bands this weekend.
Coils.. Antifreeze
antenna
DL7KM modified for higher gain.
70cm version.
Simplified
23cm
solution.
Test your design.
Attenuator
for drive of microwave transverter unit in the ODU of your GHz gear.
5,e+6 visits of
OK2KKW web.
More info to new 2m
7.el. DG7YBN antenna (see below) you can find in
OK1NOR article,
who participated in it. Download nice
technical
presentation K6JEY. Microwave
update -
47GHz by
WA1MBA and
millimetre mixers. Discover
IC905
gear for
GHz
bands. If you have
IC9700 new
firmware has released. DG7YBN: new
2m antenna.
VE7BQH released
newly updated
table
of the best antennas for amateur radio
bands.
Sable island EME trip.
Auroral
weather,
but digitals were focused to FT8
local QSOs. Don't ask 70cm
kW out from the
ITB SSPA.
Some motion in
IARU? PA2DW
resignation from
C5. Maybe
23cm is lost?
Interesting
African web
&
records. Sable island CYOS
would be QRV
at
2m already on Monday.
SZ5RDS
is preparing
EME activity
from Rhodes.
DK7LJ info:
10GHz Moon beacon
DL0SHF
is
QRV again. FM
radio from MIami at
93.9MHz received
in
CE.
VHF & up
contesting by IARU R1.
March Contest report by
OK2KRT,
OL7C. How to start
VHF+
contesting.
Video report UA3DJG (now SK) and UA3ATS to UA2 in July FD 2011,
to
activate UA2 at
23, 6 and
3cm. Contest report from
March VHF-C by ON4KHG.
RSGB video
record: building of the VHF/UHF C-test station. Standa
OK1MS, OK
EME
guru, celebrated few days ago 80th birthday. Congrats! Today has
name day
No.Pi.
For download (Cassegrain design by
W1GHz). Great
antenna
system
F8KGU (by YU1CF): a dream of 2m op?
G4RFR
EME story.
March VHF-C by
OK1KKD,
OK1FEN,
OK2KOS +
more
reports from S5. CRC
wkd
MMC. TEP, F2
or
another condx? VHF
DX-pedition CY0S (ostrov Sable)
is QRV now. What use on
9cm
VE6BGT.
Preparation of
6m
EME DX-pedition 3B9 (Loc. MH10RH).
Already in April: planned
EME DX-pedition
Gibraltar. IARU
simulations
confirm
low
probability
of interference for
23cm RNSS RXs.
March EHF
Microwave activity. VHFC 23
by:
OR6T,
OK1KMP, OK2PVX,
OM3KTR. 47 GHz
dual mode feeds by EA3HMJ.
Blue
Jets
sprites. VHF Contest 23
by:
OK1KFH,
OK1ZHS, OK1OPT,
IQ1KW.
Claimed results:
9A, S5,
OK, OM,
PA
and
G.
Short
comparison table,
described older hybrid Mitsubishi PA modules with the new
semi-replace devices. Prefinal
evaluation
of the OK Winter QRP Contest.
Flashback to the first 725GHz QSO.
Did u
visit
Cambridge?
Scale of panel meters and MS Office.
First QSO abroad
OK - YB.
Tip 4 trip.
23cm PA
W6PQL
cable cooling. Milan
OK2BFF
passed away. Microwave operator, who had not only
skills, but deep
knowledge
as well as. RIP! When you want to limit
sideband noise of your local oscillator, consider to use low noise
stabilizer
LP5907. Visit Czech
Ampér 2023 show
in Brno from 21.3. 3D printed gear for real
microwave.
Funk.Tag
Kassel 15.4.23. K2UYH released
EME
Newsletter for 70cm &
UP.
2m
Aurora on 27.2 by
OK1TEH.
23cm EME OK2UZL.
Spectrum analyzers overview of the
last year. IARU 2022 TROPHY
results -> however only
from 144MHz band. Linear PA 75W
out for 10GHz EME band
here. Probability of the
Aurora at 2m on February.
27 has
increased.
OZ1FDH sent an article
about Aurora.
Swedish 2023 meeting focused VHF-UHF
and SHF. View back to 2022.
Do you know
RADIX? - low loss resin
for 3D print,
capable to create microwave
structure with
requested
εr.
2/2023
70cm
NAC u:
OK1TEH,
OK1KZE,
OK1FEN,
OK1FQK,
OK1ZHS,
OK2IGG,
OK2WO,
OE3JPC,
S51ZO.
Manufacture of microwave antennas thank to 3D printer. Don't
forget to upcoming
Dubus CW EME Contest.
Aurora
today?
Check the CW segment.
122GHz
DX record. K9YO club
made a job
for
NORAD.
Actual
results?
PLL for microwave
xvertors & beacons.
OK1DFC
meeting. Alert!
Windy forecast!
What new
at 122GHz.
More. When you are collecting the
morse keys.
Which DX QSOs has wkd
by
OK2WO (why
FT8?) and
by
OK1VUM. Handy MMIC
up to 4GHz
PSA4-5043+. "Normal"
SMD mixer
ADE-2ASK. Tropo
condx OK1ZHS. Small
2m PA. On Tuesday 14.2.
were on Keilberg nice inversion -
abt.12°C - and
tropo
condx
were good. 70cm
log
OK1TEH. Tropo duct
in OK1 were
on Monday too
high. On Tuesday will be
NAC.
OK2PPK
info from Winter QRP
C-test. Winter 2m EME
NewsLetter
DF2ZC. On Monday night could be
tropo condx OK-GM &
on Tuesday
to SM/LA.
Suitable
transistor for
13cm SSPA.
Now you can measure phase
sideband noise up to -180dBc/Hz.
RX noise. BBT/Winter
QRP contest by:
OK1DIX,
OK1RCA,
OK1FEN,
OK1TEH,
OK1OBR. Good SW for training of
CW. New American "progressive
idea" -
speeding up pileup in contests by removing of
report
exchange in "contact".
Currently the
best World wide Yagis in
VE7BQH table.
JD1YCC
on the air.
DD1US: how to retune a
circulator. Be ready for
hot
Summer not only due to Sun... 10GHz
hamradio traffic in the Western part of USA
by
AD7OI. 70cm
TEP
shock me, due to I tried
find a
ZS6LW
story.
Read
here.
Remind:1.st
TEP
QSO
were
64 years ago. On
5.2.
were noted
extraordinary TEP condx at 70cm: QRB 4850km!
Do you
remember 8654km?
24GHz ODU.
Next part
OK1EM abt.
mods of
Nortel link for 24GHz. Today
abt.waveguide
relay OK1UMA. Join
QRP-C
+
BBT.
MS
opportunity for February
& March. Do you know
Vivaldi
antenna? For
FT8 jocks. How to
erect it (antenna). Finally we seen
changes at ČTÚ. Now
should be good time with
new managers negotiate
again
9cm
matter. USB spectrum
analyzer up to 12GHz.
In the task of 23cm defence
(WRC23)
nothing new. IARU
push
QRP DX. Crazy ideas with
high voltage.
Micromeeting.
EME
web I0NAA.
News from
PA microwaves session
Heelweg.
NTMS meeting papers,
focused to 122GHz:1,2,3,4.
Cheap frequency
normal 10MHz.
Harmonic
µW measure.
10GHz equipment by
OE2IGL
here. New
update of Airscout
SW for
download. June
µW
meeting
by SP6MLK. Mods of obsolete microwave links
Nortel by OK1EM -
2.part. OK1DOM
invites you into
Winter QRP C-test. OK1EM
bring invitation into
articles series abt. Nortel links
modifications for microwave amateur radio purpose. Beside Italian
ARI (close to IARU)
exist as well as independent
URI unie,
who even held free 2m
VHF Contest. 23cm is
still alive. For replacement of FET
based
hybrid SSB
module Mitsubishi you can use
bipolar
M68719. Were released
Czech and
International results of
the Marconi memorial CW VHF Contest 2022. SSPA
for 4m.
Detail description of
300W SSPA design for 144MHz. Similar solution:
1,
2, 3,
4,
5.
Completed list of
results.
Accessible data of the
2022 VHF Contests
results were completed.
Complete
contest logs
and OK2A
awards. New
EME
NewsLetter DF2ZC for the 144MHz band.
January tropo
2023 of OK1TEH - w/o FT8. VE6BGT
pics. CRC is perhaps unhappy
about our
hattrick in the Field day.
Rare country -
JD1 -
on
2m & 70cm.
Circulator. Sad anniversary - 4.years since
OK1RK
passed away.
RIP! Final
results of UHF/SHF/µW
Contest IARU 2022. This Sunday will be held
OK
Activity C-test and as well as
YU Activity Contest, open for
all VHF up stations.
Could be it
helpful? Moon
callender DL7APV for
2023 weekends. KA6U
again on the DX trip. Has FT8
value? IARU R1
list of Region 1 VHF & up beacons.
However OK beacons, operated under CRC subject are
missing.
On January 8.th will be held
Contest
Romagna. Costs for our
OK0EP
432 MHz beacon has paid.
SMD
codes. Well known
DL1SUN
passed away! RIP! Membership
2023 fee to Polish
PZK now
approximately 31 € only.
Article about
Space weather and the
Earth magnetic field.
Peak
of Quadrantids arrived this year
a bit
earlier.
Vojvodina's Hamradio Union
held the
YU Activity Contest parallel with OK and OM. Your edi file log
send here. More papers:
several projects
N5BRG, 24GHz
G4FRE, 241GHz
OK1AIY, EME Basics
W5LUA. Lightning protection by
WA5TKU, a bit older information abt.QRP EME KC1HTT,
pics of
Geminids,
Quadrantids theatre.
KC1HTT
speech about 2m QRP EME now
as well as
via Youtube,
so you can switch on your translation.
CRC
announced changes in the OK Activity C-test.
Scatterpoint, magazine of
UK µW
group
of 2021
has open.
Lot of happiness, peace for everyone,
strong health, sunshine and
humour to all visitors of OK2KKW web.
Radio enthusiast,
focused to VHF and microwaves need to
make everything.
Snow scatter
DX &
10GHz
EME. Joe K1JT replaced
home page of the WSJT
web. Now
here. New year's
AGCW Contest. Still
valuable
reading. EME
NewsLetter by
K2UYH. How to modify obsolete solid state
200W
PA
for 13cm band. New
10GHz MMIC. IARU decided to
destroy our 23cm DX hope
(by G4SJH).
OK1DIX released
new
version (7.04) of the Contest log VUSC,
now with ON4KST
update of telnet connections. IARU
results of VHF
Contest.
What about
ICOM 905 and microwave
options
guide prices? Link to 2022 News.
Statistics.
|
|

QRV LIST -
I. subregional contest 2024
Beacons QRB Maps (1)
(2) (3) (4) Profile

Actual EME condx - by
MMMonVHF
Present MS condx - by
MMMonVHF
Sporadic E web
ES-map
Live MUF
EME CONDX by EA6VQ |
Date |
December 2023 |
02 - 03 |
Good |
09 -
10 |
Moderate
-> poor |
16 - 17 |
Moderate
->
better |
25 - 26 |
Moderate
-> poor |
30 - 31 |
Good |
|





Some years shall have a logo...









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