[TowerTalk] Traps

[Brad Rehm]

Tom,

I've got the traps I removed from the Pro 57 when I converted it to a '67B.
Would one or two of them do the job?

Brad
KV5V
Jarrell, Texas

----- Original Message -----
From: Tom Rauch <w8ji@contesting.com>
To: <towertalk@contesting.com>
Sent: Sunday, July 16, 2000 6:52 PM
Subject: [TowerTalk] Traps


>
> > Neat idea, but I'm not sure the trapped antenna guys would agree.  Good
> > models of trapped antennas (not to mention linear loading) seem to be
> > pretty tricky.  For that matter, NEC-2 has trouble with modeling the C-3
> > type of driven cell -- does NEC-4 do it any better?
>
> Don't know, but this brings up something that is useful.
>
> If anyone has a single old trap from a trapped antenna, even just to
> loan, I'd like to make some measurements of ESR and inductance
> below cutoff and EPR at resonance and above.
>
> How about it folks? Anyone game to see if traps are as bad as
> advertising departments say, or if the antennas just need the
> elements tweaked?
>
>
>
>
>
> 73, Tom W8JI
> w8ji@contesting.com
>
> --
> FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
> Submissions:              towertalk@contesting.com
> Administrative requests:  towertalk-REQUEST@contesting.com
> Problems:                 owner-towertalk@contesting.com
>
>


--
FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com