[Amps] Warm Coax question

[Steve Katz]

> Thanks for all the replies. I ordered the DB224 cut for the ham bands, so 
> the swr should be flat. I am going to take an antenna analyzer to the site
> 
> and see what it says. I am going to replace the RG8 jumper with some 9913 
> and eventually some !/2'" superflex. I am not concerned with de-sense at 
> the site as I do not rx any vhf there,  I just rx the uhf link tx from the
> 
> site where the voter and all the uhf link rx are which is 8 miles away.
> The 
> 375w tx just hooks to the feedline and then to the antenna. I am using a 
> pl259 only because that is what Motorola puts on their 357 watt Micor amp.
> 
> 
> ::Ugh.  The circle batwing strikes again.
> 
> I have a brand new harness for the antenna so if the analyzer reports bad 
> news the harness will be replaced.
> 
> ::Well, the harness is made of silver-plated, double-shielded coax.  I
> hope that's what you have to replace the original one with!  
> 
>  Probably will do that anyway. At least 
> the antenna is on a building not a tower. I will look at the Bird site and
> 
> make the correct length jumper so when I remove it the tuning should not
> be 
> affected. 
> 
> ::As I recall, the "Bird simulator" section of coax is 4" long.  But of
> course, if the VSWR were flat, then it wouldn't matter.
> 
> Actually adding some remote metering would be cool and I could 
> just leave the meter line section in. There should be some remote metering
> 
> equipment surplus by now.  Has anyone converted a 1kw commercial fm 
> broadcast tx to the 147 mhz range?... Another project. That way I can stop
> 
> using a commercial 2-way tx.
> 
> ::Vacuum tube units, yes.  Solid-state, no.  It would be quite a stretch
> to pull even a 107.9 MHz amplifier up to 147 MHz without replacing circuit
> boards.  But it's easy to change a few components in a tube amp and be up
> and running quickly.
> 
> ::WB2WIK/6
> 
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