mm wrote:
I have a standard POTS line for a phone and if the extensions in the
basement and main bedroom are plugged in, the phones in the kitchen
and office play WBAL AM radio, 1090.

Can I make a simple filter to get rid of this? What size capacitor
would I use (in parallel with the phone I presume)?

Would I need a coil? I have lots of coils I have cut out of old tv's
etc, but the rating of the coil is usually not written on them, or at
least not legible.

It turns out that the phone company will provide a filter for free,
but they charge for a half-hour service call, which is like 70 or 80
dollars these days.


Remove NOPSAM to email me..


Are there any unused wires in the phone cables? Try grounding them.
For instance,when they ran the phone wiring here,they used CAT-5..We had
two phone lines at the time (one mostly used for a dial-up
connection),so there 4 unused wires in the CAT-5 cables..I went out to
the phone box,and connected the unused wires to the earth ground connection.
It killed the bit of cross-talk we had and some of the noise,and the
dial-up modem would connect at a faster speed.
I even went as far as to connect the extra grounded wires to the unused
contacts in the phone jacks at a couple spots,to use the "extra" pair of
wires (yellow and black) in the (long) phone cord runs to act as a
quasi-shield also.But that trick only works with 4 conductor phone
cords,not the cheaper 2 conductor ones.