[VHFcontesting] Re 4 meters

crawfish crawfish at surfmore.net
Thu Jul 19 20:30:37 EDT 2007


The heck with 4m, I want 5 meters back!! We can bridge 6m and 5m and have a
REAL big band!! There was talk at one time about a band at 9m(around 40 mHz)
for hams. I think 2 bands is enough. That way the ARRL and CQ contests won't
be mirrors of themselves.
                                                       Joe W4AAB
----- Original Message -----
From: "Eric Smith" <kb7dqh at donobi.net>
To: "Vic" <wb4slm at cox.net>; <vhfcontesting at contesting.com>
Sent: Thursday, July 19, 2007 10:30 AM
Subject: Re: [VHFcontesting] Re 4 meters


> Got tons of 66-88Mhz stuff left over from the other users
> of the space between TV channels 4 and 5... Paging
> companies!!!  Many systems, back in the "dark ages" before
> satellite data  communications, used 72-75 Mhz narrowband
> FM for linking the paging sites to the area "master"
> transmitter.  Thus, I got lotsa commercial Yagis, cavity
> filters, and even a pair of Motorola transmitters and
> receivers.  Lots of GE receivers also.
>
> The cavities tune up nicely on their 3rd harmonic, 222
> Megahertz!!!
> Eric
> KB7DQH
>
>
> On Thu, 19 Jul 2007 09:23:21 -0400
>  "Vic" <wb4slm at cox.net> wrote:
> > 4m is alive & well -- I copied signals on 20 June here in
> > EM82 and was hoping for a 4 to 6 meter crossband -- Mike,
> > VE9AA,  did have a crossband & perhaps the first
> > "recorded" in history .. if one is so inclined a simple
> > search on "youtube" one can find the video ..
> >
> > Regarding Transverters -- I know of two transverters &
> > receive converters made for 4 meter operation -- one made
> > in OZ --link is,
> >  http://rudius.net/oz2m/70mhz/transverter.htm  and the
> > other made in England by Spectrum Communications link is,
> >  Spectrum Communications
> >
> > I've heard U.S. amateurs could have been authorized 4
> > meters years ago, but the Remote Control Aircraft Hobby
> > Lobby may have kept it from happening, the RC spectrum is
> > however 2 MHz higher than the Euro's use for weak signals
> > .. however, I think something could be worked out if the
> > FCC would authorise the use of the band .. and I like RC
> > aircraft so no "flames" please :-))
> >
> > U.S. Ch4 falls within the Euro spectrum, so until HDTV
> > actually becomes the defacto standard we may have to do
> > without weak signal 4 meter operation ..
> >
> > There is a web page with all the info one needs about 4
> > meters .. link is http://www.70mhz.org/
> >
> >
> >       I would like to see more people QSX on 4 meters in
> > the U.S. as I think the propagation is there, just not
> > enough aluminium in the air to find out ... just think it
> > was only a generation ago we were doing cross band
> > contacts with Europe on 10 to 6 meters ...
> >
> >       Cheers de Vic -- WB4SLM EM82dp -- ex G0MOS ..
> >
> >
> >
> > _______________________________________________
> > VHFcontesting mailing list
> > VHFcontesting at contesting.com
> >
> http://lists.contesting.com/mailman/listinfo/vhfcontesting
>
> _______________________________________________
> VHFcontesting mailing list
> VHFcontesting at contesting.com
> http://lists.contesting.com/mailman/listinfo/vhfcontesting
>




More information about the VHFcontesting mailing list