On 12/10/2010 09:05, alan.b.pearce@stfc.ac.uk wrote: >> Am I correct that all of the RF connections to the set top box are >> shielded cable? > Probably wouldn't matter if they were because in my experience set top > boxes tend to be a plastic box with no aquadag or similar RF shielding > sprayed on the inside, so the electronics is 'exposed' to the > interference. The tuner is in a Metal Can. There is no way a Satellite Receiver should be susceptible to 2.3 to 2.6GHz You need a Spectrum Analyser that covers 900MHz to 3GHz to see what is=20 happening. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .