[NLRS] Fw: K2DRH broken

Todd Sprinkmann sprinkies at excel.net
Wed Aug 4 11:59:38 EDT 2010


     Hello NLRS.   Here's UHF Contest QST from K2DRH.
Hope a "forward" goes thru.

     73,
     Todd   KC9BQA

----- Original Message ----- 
From: <k2drh at frontiernet.net>
To: <sprinkies at excel.net>
Sent: Wednesday, August 04, 2010 10:39 AM
Subject: K2DRH broken


> Todd
>
> Tried to send this to the NLRS reflector but I don't know if it will 
> accept it or not since I don't subscribe.  Could you post it if it 
> dosen't?
>
> Lighting took out a lot of my station just before the CQWW VHF.  I 
> think it mostly came in on the power lines and surged the power 
> supplies, but two mast mounted SSB preamps that weren’t connected to 
> the coax (I use bias T’s to supply 12V and switch) got bit too!
>
> With the help of Jerry at SSB I managed to recover 6 and 2M by CQWW 
> VHF, but 432, 903, 1296, 2304 and 3456 are all still scattered between 
> my workbench, SSB and DEMI in desperate attempts to revive them.   222 
> seems to work OK, but is still on a single antenna.  The 432 
> transverter and 100W brick are now working, and the repaired SSB mast 
> mount preamp and sequencer/bias T are on the way (should be here 
> tomorrow).    The 902/3 transverter died a week after the strike, but 
> the mast mount preamp and RX was good when I tested it a day after the 
> hit (hope it still is).  The 902/3 SSB sequencer would feed the bias 
> tee but did not switch, but that is also repaired and on the way. 
> DEMI was able to repair the 902/3 transverter and it is on the way, 
> due in tomorrow too.  DEMI 1296 transverter is repaired and on the way 
> too, but it now only puts out 10mw .. the final is no longer made (it 
> is 15 years old)  so Steve at DEMI jumpered around it.  No hope of 
> getting a new transverter made, even by September, and no DEMI brick 
> available right now.  I have a couple old Mitsubishi 1W in 10W out IC 
> bricks (also no longer made) that Steve says may give me 1W out with 
> 10mw in and that may be able to drive my 20 year old 100W SSB amp to 
> the 10W needed for the contest, but I won’t know until I kludge it all 
> together with some relays tomorrow.  That is if that amp didn’t get 
> bit too (it seems OK, but it RF switches only and I had no good way of 
> putting enough RF into it to make it switch on).  The 1296 mast mount 
> preamp is still at SSB.   Jerry says he will try to fix it today and 
> get to me by Friday via overnight but no guarantee and there is none 
> in stock.   2304 works and puts out power.  The 2304/3456 sequencer is 
> fixed.  The 2304/3456 preamp box is down off the tower but the preamps 
> are now working and it is almost ready to go back up.  3456 
> transverter works but the Toshiba amp is dead with little hope of 
> finding another.  I used to put about 0.1mw into it to get 10W out at 
> the antennas but not sure how much good 10mw from the unpadded 
> transverter will do on TX after the coax loss.
>
> Three questions for NLRS.
>
> What’s going on with Rover Mania?  Is it worth my while to really bust 
> my hump (lots of climbing and kludging in the next 3 days) to get as 
> much as I can working for the contest?  Does anyone have a Toshiba 
> 3456 amp, 1296 transverter or 1296 brick they could part with?
>
>
> 73 de Bob K2DRH
>
>


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