[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

Re: Off-the-shelf cheap hack 2.4GHz signal source



Hi,

I have some of these units. Do they have a set freq or a center freq to look
for them in the drift? Thanks... 73...

Tim Pickett, KG8OC
Michigan AMSAT Area Coordinator
kg8oc@amsat.org http://www.qsl.net/kg8oc

----- Original Message -----
From: "Margaret Leber" <maggie@voicenet.com>
To: "Bill Hurlock" <bill@hurlock.net>
Cc: <amsat-bb@AMSAT.Org>
Sent: Monday, May 21, 2001 9:33 AM
Subject: Re: [amsat-bb] Off-the-shelf cheap hack 2.4GHz signal source


> Bill Hurlock wrote:
>
> > I have several of the X10 camera and the RF freq drifts pretty badly
with
> > temp. The cameras are located outside so they are always in a changing
temp
> > enviroment. They do make a quick check siganl source and they are pretty
> > cheap.
> > Margaret Leber wrote:
> >> Folks who are looking for a jackleg 2.4 GHz test signal source may need
> >> to look no further than their own house or local Radio Shack.
> >> I'm currently listening to audio from my VX-5R (tuned to a broadcast
> >> station) playing though an "X-10 Wireless Audio/Video Sender"...
>
> OK, thanks. That lets me know that the drift is most likely the X-10. It
> was *way* more than the S2 beacon, even with doppler. I could sit and
> watch the discriminator meter move <grin>. Fortunately, having the
> meter, it was pretty easy to track the frequency drift. Evidently the
> reciver end of this combo has a very wide passband or significant AFC.
>
> The sender was *indoors* for this test; I don't think the temperature
> varied much. It's prolly just inherently unstable by our standards. But
> it beats the hell out of trying to listen to your microwave oven. I
> don't know if I'd buy one of these just for a signal source, but I've
> seen them at hamfests and I bet some folks on this list have them
> gathering dust someplace too.
> 73 de Maggie K3XS
>
> --
> -----/___.   _)   Margaret Stephanie Leber    / "The art of progress  /
> ----/(, /|  /| http://voicenet.com/~maggie   / consists of preserving/
> ---/   / | / |  _   _   _    `  _AOPA 925383/ order amid change and /
> --/ ) /  |/  |_(_(_(_/_(_/__(__(/_  FN20hd / change amid order."   /
> -/ (_/   '  K3XS  .-/ .-/    ARRL 39280   /___ --A.N.Whitehead ___/
> /____ICQ 7161096_(_/_(_/__AMSAT 32844____/ <maggie@voicenet.com>
>
>
> ----
> Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
>

----
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org



AMSAT Top AMSAT Home