[TenTec] Field day antennas

[John Bescher via TenTec]

My club of 150 members, a lot of 2 m repeater hams, seem to have a lot of older rigs, which, of course they want to use for Field Day.


The opposite seems also to be true: the hams who have the newest rigs do not want to risk damage lugging them to Field Day or having 'strangers' operate them.


Is there a way, besides on site testing, to tell whether a rig is suitable for multiple station Field Day?


I presume Orion II is ok but that falls into the category of not wanting it get scratched up or knocked around for Field Day.  I was going to use a Tentec Eagle for the GOTA station, easy to operate and fairly simple with a half decent front end.  My backup is an old but reliable Icom 735...but that's ancient, full of scratches, a hardened veteran of many Field Days and probably not much of a front end.


Maybe I can look up some of the specs on the transceivers that members are offering for Field Day....should I look for anything special to eliminate the major interference offenders?


I guess there would be two issues: impure transmitting signals and permissive receiving front ends.


Sure wish I had a dozen K3's for Field Day, but that's not in the offering.


John Bescher, N4DXI




-----Original Message-----
From: Jim Brown <k9yc at audiosystemsgroup.com>
To: tentec <tentec at contesting.com>
Sent: Tue, Apr 14, 2015 4:38 pm
Subject: Re: [TenTec] Field day antennas


On Tue,4/14/2015 12:36 PM, John Bescher via TenTec wrote:
> And for your
comment on the OCFD,

Off-center fed antennas put lots of common mode RF on
the feedline, 
which is bad news for interaction between stations.

Yes,
stubs and bandpass filters can help reduce interference between 
stations. So
can a better rig -- cleaner TX and more bulletproof RX. 
That's why K3s are the
current weapon of choice, with rigs like the KX3 
and TS590 a decent second
place.

Don't even think about bringing an el-cheapo do-everything wonder like

an IC706, FT100D, or newer equivalent Yaesus to FD -- you'll be spewing

trash into all the other stations!

73, Jim
K9YC
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