15269Re: [wuhu_software_group] Re: Lacrosse cables and sensors
- Oct 5, 2009OK, I think I understand now. I assume I can make one run to the rain and wind sensor, using a different pair for each, and split them out to go to the sensors, and the temp sensor on the other end. Ok to leave the unused pairs open?LeeKC4ART
On 10/5/09, Rob Reab <robreab@...> wrote:
If you’re rewiring to reduce RF interference, I would suggest shielded twisted pair cable. Conventional cat5 is not shielded. Can’t help you on the ‘balance’ issues.
Ok, I am not familure with the CAT5 cable, other than knowing what it
is. How would I wire it up as ballanced. I understand what that
means as far as RF feed lines, but not sure how to make it work in
On 10/5/09, Jerry Flanders <jeflanders@...> wrote:
> I should have also mentioned that I actually intended to wire up my
> Lacrosse 2315 with a run of cat-5 from the sensors to the console,
> but decided to keep it totally wireless after realizing what a nice
> conductor that cat-5 would provide for lightning, and the value of
> the electronics in the shack also hooked up to the wx computer. I
> will put up with changing those batteries, or maybe plug in a wall
> wart outside to substitute for the batteries.
> Jerry W4UK
> At 10:29 AM 10/5/2009, you wrote:
> >Look up the specs on common cat-5 cable. I would expect high RFI
> >immunity if you used it balanced as intended. I actually use a 80
> >foot length of it to carry the HDTV signals from my DISH satellite
> >receiver to my bedroom TV, and a second run for the stereo audio.
> >Works well. Common RCA plugs at each end, and no apparent problem
> >with the balanced-to-unbalanced transitions at each end.
> >Common shielded wire may not be as good as properly connected cat-5
> >in this regard - common shielded wire usually offers less than 100% shielding.
> >Jerry W4UK
> >At 08:30 AM 10/5/2009, you wrote:
> > >Has anyone tried changing out the cables on the sencors on the
> > >Lacrosse gear with something a little more imune to RF? I was
> > >thinking of something like a shielded twin conductor wire like is used
> > >in commercial audio mic cable.
> > >
> > >Lee
> > >KC4ART
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