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- Tue Nov 30, 2010 2:44 am
- Forum: SPCR Article Discussion
- Topic: Electronic Noise and Tinnitus
- Replies: 58
- Views: 74729
We're detecting a high frequency in the Seattle area at about 13 kHz. This is both measurable with a sensitive microphone and with the naked ear when all is quiet. Our hypothesis is that there are two RF carriers that are creating this 'beat' frequency or heterodyne. We first noticed its presence by...