[TowerTalk] Modifying Comtek 4-square controller(relay unit) for a d

[Mike Smith VE9AA]

Understood 100% Jim and mostly agree.

 

For personal reasons, I have decided "no more towers" here @ VE9AA.

I have no tall trees on my small lot (2.2ac) and so because I wanted to try
SO2R a few years ago I started small (no bandpass filters or stubs) with 2 x
100w rigs.

I went initially with 1 horizontal multiband dipole on one radio and 1
multiband vertical on the other radio with enough physical separation &
polarization diversity that I would be able to safely dip my toes in the
SO2R waters.

 

The tiny farm grew from there and now 10m is the last holdout to have a true
4-square on the "good radio".  The 10m ones are hard to find.  I have a
couple offers of other band 4-squares that I *might* be able to adapt but
without a schematic or at least a list of component values for the Comtek
relay boxes, I am stuck.  I am not designing and/or building one from
scratch as has been suggested both publicly or by email.

 

Anyways..that's why I am stuck on mostly verticals..and would like to have
the "complete set" of Comtek 4-squares.

 

I'll likely just build another K1WA/K8UR/N6LF/K3Lr Sloping vertical dipole
for 10m in the spring if one doesn't appear.

 

Thanks everyone.

 

CU (all of a sudden!) in CQWW-CW on 15m next weekend.

 

Mike VE9AA

On 11/19/2021 7:39 AM, Tim Duffy wrote:

The website has been updated - 10 and 15 meters are not available, I am very

sorry.

 

We will continue to work on this project and I hope we will find a good

solution that works well

-------------------

Those thinking about vertical antennas and arrays should understand that
vertically polarized signals are strongly reduced by poor soil conductivity
both under the antenna (improved by extensive radial systems) and in the far
field (nothing we can do about it).

 

73, Jim K9YC

 

Mike, Coreen & Corey

Keswick Ridge, NB