Telephone lines as LF Rcvr antenna?
Thu, 29 Apr 1999 22:30:32 -0400
Doc Gruis wrote:
> Interesting. Here in the States I have had much better luck in using a
> capacitor to couple to the telephone lines. The intensity of the noise does not
> seem to be quite as intense. This has worked for me for LW through SW. I
> usually use a fairly large capacitor, 0.05 or so as the primary isolator, and a
> high resistance resistor, ca. 100 K or so, as a static drain from the low side
> to earth.
> Doc - K0HTF EN31dx (Iowa, USA)
> Dave wrote:
> > Chaps..
> > I have tried sucking some RF off the mains by connecting the primary of a
> > small transformer from the mains supply down to earth via a 22nF capacitor.
> > The secondary was then used to feed into the receiver in the hope of
> > cancelling Mains-bourne intereference. Unfortunately the interference I
> > picked up from the mains seemed to be primarily that from my own house which
> > I can cure myself! The stuff from other sources didn't seem to be present on
> > my own mains supply... This obviously depends on the individual situation
> > but it didn't work for me.
> > Good luck anyway! Dave G3YXM.