[Antennas] motorhome antenna project

DavidE Benedict iam at pmug.org
Mon Jul 5 13:44:07 EDT 2004


I wonder if anyone has tried the likes of an MFJ ersatz ground tuning box
in the case of an auto or RV running a vertical???
David B.
w7dbh
Beaverton, Oregon
dufferjames at hotmail.com writes:
>>Sounds like you are going to have some fun RVing. Depending if the 40 ft 
>coach is made of fiberglass or aluminum you might just make out with the 
>vehicle itself as a counterpoise, something you can easily try and if it 
>don't work try the hamsticks. I am assuming that you will be parking in 
>campgrounds where space may be limited preventing connecting elevated 
>radials of 1/4 wave length.
>>Happy trails,
>73, Jim, wd4air
>>>snip
>>My question to the reflector has to do with radial system for the
>vertical. 
>>naturally, conventional 1/4 wave radials fanned out around the base of
>the 
>>vertical will not be practical.
>>>>My thoughts are to substitute shortened radials such as RESONANT
>HAMSTICK 
>>TYPE ANTENNAS around the base that I can install with quick disconnects 
>>when I raise the vertical. The hamsticks will be resonant , but will
>they 
>>offer an effective radial or ground plane system to the vertical?
>>>>I can use multiconductor wires for radials up to 40 feet long on the top
>of 
>>the coach, but I will need shortened radials to each side and rear of
>the 
>>coach thus the idea of the hamsticks or hustler mobile antennas for 
>>radials. Do you think this setup could be modeled against and in
>comparison 
>>to the conventional resonant radial system recommended with two quarter 
>>wave radials for each band?
>>>>What are your thoughts on my dreamed up Rube Goldberg radial sustem.
>Your 
>>thoughts will be appreciated. Thanks and 73, John, K5PGW
>snip

David B.


More information about the Antennas mailing list

AltStyle によって変換されたページ (->オリジナル) /