[CQ-Contest] LP SO2R with no filters?

[Peter Voelpel]

I have no problem to do SO2R at 100W without filters.
With my second antenna about 100m away and much lower then the main yagis I
can do it even in the same band.
>From band to band on the same tower I see about 40db decoupling.

73
Peter



-----Original Message-----
From: CQ-Contest [mailto:cq-contest-bounces at contesting.com] On Behalf Of
Mike Smith VE9AA
Sent: Montag, 15. Juni 2015 23:54
To: 'cq-contest'
Subject: [CQ-Contest] LP SO2R with no filters?

Has anyone ever done SO2R with no bandpass filters?

I am looking to enhance my contesting experience, especially for those
Sunday afternoon doldrums or times when condx really stink (no good bands to
be on) and nothing at all is happening on my "run' freq,. but am hesitant to
put out the cash. I have a very small stn (with even smaller cash flow)
consisting of mostly a HF9V vertical, some very low inverted L's on 80/160,
and low 10m yagi on a 20' pipe etc. Ie: No towers.

 

Looking around the property yesterday while mowing , there are a couple
spots 75-100' away I could located a low ZS6BKW (G5RV) antenna for the mult
radio away from the main cluster of antennas for the run radio.

 

I am especially hesitant as a well known local VE9 invested several thousand
bucks in SO2R (he could afford it, but I can't really) and tried it a few
times and ended up selling it all at a loss.(not to me! - I missed the boat
on that deal by a couple yrs)

 

I'd like to try it a few times. but not commit - if that makes sense.  I
find myself reading books, watching TV, looking outside, talking to family,
etc. while bored calling CQ.

 

I'd be OK using just 100w.  Maybe even get some surplus coax and make up
some stubs for some small amount of isolation if I thought I could gurantee
safety.  I made some measurements with a scope some months back but I was
"just at the edge of danger-maybe even into danger---but it was using a
closer antenna, now gone.  Maybe one farther away would do it?

 

Too risky..Ideas?

 

Mike VE9AA

 

Mike, Coreen & Corey

Keswick Ridge, NB

 

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