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-   -   Impedance of pull-up whip on SW Receiver? (https://www.radiobanter.com/shortwave/71855-impedance-pull-up-whip-sw-receiver.html)

[email protected] May 31st 05 05:26 AM

Snip

Plonk

Again? What? Does your kill file have alzheimers?
This feels like deja vu....MK


John Smith May 31st 05 05:32 AM

MK:

shhhhhh.... Telamon will plonk us.... I think he is the only guy still
reading my posts--would sure hate to lose him, help me out here...
frown

Warmest regards,
John

wrote in message
oups.com...
Snip

Plonk

Again? What? Does your kill file have alzheimers?
This feels like deja vu....MK




John Smith June 6th 05 05:08 AM

As a follow up, found some excellent research on some balun testing for
just the use I mentioned, really good stuff:
http://www.dxing.info/equipment/impe...er_bryant2.doc

John

"John Smith" wrote in message
...
I have a Grundig YB-500 (Yacht Boy 500) shortwave portable. I
frequently take it to remote locations with me and have enjoyed the
radio for years. It has a short pull up whip antenna, all I have done
in the past is to slingshot a long wire into a tree and use a clip lead
to attach it to the pull-up whip (no external ant connections on the
radio).

I was wondering what the impedance the collapsed whip would present, and
what sort or a balun/auto-transformer could be used between a longwire
(or other ant), gnd and the pull-up whip to improve reception...

.... anyone ever done any experimenting or unique ideas?

Warmest regards,
John C. Smith

--
Watching the cutting edge of yesterday replay--in virtual reality, right
before my eyes--in real time!
Thirty year old technology--wasn't it amazing?




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