Wow Stuart, using a 30m dipole on 15m is really a worst case scenario.
There is a quick and simple cure for that.
Just fold back each end about 5 ft., simply wrapping the wire back along
itself.
This rapidly sinks the impedance a couple thousand Ohms and it will be much
easier to match.
When I do that, I just use a cable tie as a temporary end insulator at the
point where I fold the wire back on itself.
When you're done, you can easily return the antenna to its original length.
I've been in a lot of clubs here, but I could never get any of them to use
Ten-Tec radios.
I've successfully converted several into using the antennas I recommend, but
not the Ten-Tecs.
Right now my current club doesn't even hold an organized FD event.
Had to go it alone this time.
Not quite the same.
The XYL didn't even join me. :(
73
Rick, DJ0IP
-----Original Message-----
From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
On Behalf Of Stuart Rohre
Sent: Thursday, July 12, 2012 9:01 PM
To: tentec@contesting.com
Subject: Re: [TenTec] OT: Field Day Drill
Hi Rick, and the group,
Your comments on the Eagle are good, and are along the lines I was thinking
for a future FD rig.
I am glad your views of the European Field Day are in line with our local
experience. Yes, FD is the one radio event where we get families to at
least visit the FD site to socialize at the evening meal.
As to comparing Ten Tec rigs to other brands, we find that at Field Day, you
have the more challenging application of rigs close together.
It gives you a chance to see how they compare in handling close in signals,
or in pulling in those distant stations for extra points.
In my application of Search and Pounce, I tune the bands, taking the
strongest layer of signals first; then repeat with the next layer down, and
so on. If you can hear 3 layers down, you have a selective and sensitive
radio on the busy FD.
The Ten Tec receivers manage the crunch of signals, both local close in TX
and crowded bands very well. This year we had one other rig that did well
in the strong signal environment the K3. But, it seemed to have problems
staying tuned to the doublet being used for it. It was a 30m doublet being
used on 15m, probably a worst case of matching for the built in tuner. Why
the station captain there did that is a mystery; but I guess it was already
built and maybe had slight gain on 15m.
I missed having a Scout this year, for its variable Jones filter and its
ease of running low power for the bonus contacts under Natural power.
But, it was a year of deciding to use the club radios which were located
next to the Field Day location, and were a shorter distance to move, than
bringing a lot of equipment from home.
-Stuart Rohre
K5KVH
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