Pro zajímavost (by ok1vpz):  když je tranzistorový PA řádně ochráněn (v tomto případě pravděpodobně jak tepelnými a nadproudovými ochranami, tak i ochranou proti nevyvážení jednotlivých sdružených jednotek), dokáže přežít i takové brutální poruchy...

-----Original Message-----
From: moon-net-bounces@mailman.xxx.com [On Behalf Of Fausto Coletti]
Sent: Tuesday, October 22, 2013 9:59 PM
To: moon-net@mailman.xxx.com
Subject: Re: [Moon-Net] ON0EME beacon???


And then there are those who say that the LDMOS are fragile.

73, Fausto IK4NMF
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----- Original Message -----
From: Eddy Jespers
To: Edward R Cole
Cc: moon@moonbounce.xxx ; moon-net@mailman.xxx.com
Sent: Tuesday, October 22, 2013 4:50 PM
Subject: Re: [Moon-Net] ON0EME beacon???


The ON0EME 1296 moonbeacon had a burned out center pin on the N connector on the Ecoflex 15 cable going to the feedhorn.
The problem is fixed with new connectors but we will change these to 7/16 connectors soon.


So all RF was left inside the beacon box. This wiped out the webserver as well as the switches and ADSL modem, so we had no remote access anymore to the beacon.


The power amplifiers have been transmitting in an OPEN coax for two full moon passes. I measured the output power and all is back to nominal, so the power amplifiers and hybrid couplers / loads survived.


So the beacon should be up and running again this evening.


73's ON0EME team
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On 21-okt-2013, at 18:15, Edward R Cole wrote:


I get this when I try to verify the beacon status:

The requested URL " http://www.on0eme.org/ " cannot be found or is not available. Please check the spelling or try again later.

I received a signal below 1296.000 MHz last night but could not verify if the beacon was running. The info on the main page implies the beacon is sending CW but all I hear is very long QRSS CW which does not come out to be "ON0EME"? Yet the signal peaks on the Moon? Unfortunately, no one is awake when I see the Moon, so there are no eme signals.

I have been reluctant to take any skeds until I can confirm I am seeing some eme signals. Moon was in a clear cold sky last night so no issue whether I pointed correctly (ambient temp =0C). I didn't bother spending an hour outside in the dark and rain this morning to get the dish turned to toward Moonset like I did yesterday (again with no stations QRV).

73, Ed - KL7UW
http://www.kl7uw.com