How to eliminate FM RF coming thru turntable?

Thanks for the suggestions -- will give them a try. Just completed a year long renovation. The equipment was originally in the center of the house and rarely if ever had an RF problem. Now, equipment is housed in a wood cabinet against an exterior wall. A new FM antenna is about 10' from the turntable on the eaves. Disconnected the cable to the antenna and still have RF signal. The same station comes in when the night signal changes. It makes no difference whether the tuner is on or off with the RF. Again, during the day, phono is dead-quiet.

Again, thanks for the suggestions. Makes no difference whether the lights in the house are on or off. For the renovation, the entire house was rewired. I have a dedicated circuit for the stereo. I tried plugging the equipment into different sockets on different circuits: made no difference to my problem. Did read that radio broadcasts are different at night, thus getting the signal when the signals are altered. It's the same FM station and begins around 5- 5.30 PM until after midnight. During the day, absolutely dead quiet. My phono stage is tube. Tried changing the tubes in case one or all were picking up the RF.

The RF I'm getting could very well be AM, I haven't listened to AM for years, so made this mistake, regardless, still getting RF at night, Spanish speaking talk radio -- any suggestions on brands of a ferrite RF filter? Will also try switching the tonearm cable. Again, thanks for all the suggestions.

Almarg, thanks for the article and link to suppressors, am pursuing --

I tried ferrite suppressors which didn't work: cable suppressors and ferrite beads.
Someone suggested lead sheets to line thecabinet the turntable sits in -- if Superman can't see through the stuff, then maybe radio wave as well -- anyone have any thoughts or knowledge????

Al & Spencer thanks for your input.

Al -- my cartridge is a Grado MM. Would you please exlaborate what sort of capacitors to use. I'm not too electronically literate.

Spencer -- I did hook up to a solid state phono stage. Did get RF, but was able to manipulate the turntable ground and this eliminated the RF.

Here's something more puzzling. When I re-plugged my turntable into the Rogue 99 tube phono stage, I noticed that the RF disappeared when I touched the pre amp. At first it was my arm on the pre amp with my fingers touching either the turntable ground wire or the turntable leads. I thought great, if only I can find a spare arm to leave on top of the pre amp. The heat would probably make it stink up my living room though. Then I realized if I simply touched the pre amp, the RF disappeared. I tried a separate ground to the pre amp, but this did not prove successful: the RF was back. Yet, when I laid a hand or fingers on the pre amp, the RF disappeared.

If you guys have any more suggestions, I'm game. I feel now, there has to be a simple solution, I just don't know what it is.

Al -- my Grado cartridge is the Reference -- out put 4.0 -- length of the cables are approx. 24" -- they came with the Techno arm for the Michell Gyro Se -- again, I really appreciate your thoughts and suggestions regarding this --

Brian

Thanks Al, will get on to your suggestions and see what happens -- might take a few days -- again, thanks for the input --

Al & Spencer -- wanted to thank you guys for the helpful information to eliminate the RF coming through my turntable -- the final solution: braided ground wires from my preamp & amp to the power conditioner's ground. So far, good listening --