Someone ( WD8CHL JIM???? ) wrote some documentation up about using a
Co-linear from a higher freq on a lower freq... and angle of radiation
lowered as I recall but gain did not change... It actually can be
favorable depending on the site as I recall..
I think it was Jim anyhow.. forgive me if I offered a wrong author
:-)...who penned some information on moving commercial colinear to
amateur and some sleeving was needed bring the feed point back to 50
ohms... but no other mods were done that I recall...
Doug
KD8B
WA3GIN wrote:
>
> Hi folks,
> I'm curious about this question of operating the Station Master 10Mhz
> off resonant frequency. The antenna seems to be working fine from
> observed performance but that could just be the 425ft ASL in an area
> where average elevation is 30ftASL.
> I've searched the WEB but haven't yet found a reference that would
> ascertain the performance of the antenna.
> Should I presume unity gain on 146. from an antenna with 5db gain at
> 156.Mhz?
> Thoughts welcome,
> dave
> wa3gin
>
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