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Ham Member Lookups: 18066

 

Boy this needed an update!  

Asst. Net Manager for the Daytime Texas Traffic net (DTTN.US)and NCS on Wednesday, running Sunday's first session (0700 CT) of South CARS.

 

Operating U/VHF on SSB (6/2M and 70cm) on SSB and a very very limted amount of FM. SSB weak signal rig is, I am ashamed to admit, an Icom 910H.  Hf/6 operation especially as an NCS is a Kenwood TS590SG. TenTec Jupiter on the bench as a secondary HF radio when 590 is on 6M.

 

Antennas: 75M loop fed with 450 ohm Ladder line, and a 40M vertical both are used on several bands, and an OCF multi band dipole.  13B2 with a corner reflector 10 el 432 beam both an omni loop and a 5 element yagi for 6M.  I do have a dual band vertical topping the U/VHF array. 

 

 

This is bad. This is what happens when you build a G5RV for 100 watts run 500 through it. A valuable lessson learned. DON'T TRY THIS AT HOME!!!! Fire is bad, very bad. It looked to me like there may have been just enough insulation missing for an arc to happen. At 100 watt power levels this wasn't an issue, HOWEVER with the voltages present at the feed point at higher power levels it was. I build all of my antennas now with the idea that I would have 1000 or more watts running to them including my VHF antennas.

 

8339906 Last modified: 2017-09-19 20:00:33, 2593 bytes

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