Re: [TenTec] vertical dipoles

[Bwana Bob <wb2vuf@qsl.net>]

You do need a tuner with a 1/2 wave end fed wire, but it is possible to 
connect the wire directly to the tuner output. A counterpoise is still 
required, but it can be much shorter than the counterpoise required for 
a 1/4 wave antenna. See Moxon's book HF Antennas For All Locations.

                                73,

                                Bob WB2VUF

Bill Tippett wrote:
> NJ0IP wrote:
>
> Bill, you really have to be "a believer" to use these antennas if they
> really work like the first two sentences of that link claim:
>
> "The end-fed halfwave antenna is among my favorite for field operation. It
> is easy to setup, can be used without a feedline, and performs well."
>
> Can't remember ever seeing an antenna that could be used without a feedline
> ;-)
>
> I guess they mean you can just insert it into the transmitter. (?)
>
> Or was it a miss-print?  Maybe he meant "without radials".
> *****************************************************************
>
>          For the Par antenna, yes it can be used without
> any feedline, just direct connect to the transmitter.
> For an example, see a picture of me using mine directly
> connected to my KD1JV ATS-2 QRP rig here:
>
> http://users.vnet.net/btippett/cataloochee_divide_trail_qrp.htm
>
> Guaranteed to cool you off in July just seeing that picture!
>
>          Classical end-fed networks do require at least a small
> counterpoise.  I'm not sure if the Par is using the connected
> transmission line, or the case of the directly connected rig,
> but I can absolutely say it works incredibly well.  I have home-
> brewed end-fed networks using info from AA5TB's site, but I
> always use a quarter-wave counterpoise wire.
>
>                                          73,  Bill  W4ZV
>
>
>
>
>
>           
>
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