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I have just installed a new repeater running 15.11 on Debian Jessie on an RPi. No initial probems detected until I tinker with deemphasis in [Rx1]. WIth DEEMPHASIS=1 the ctcss is decoded succesfully ...

To allow multiple users to share one carrier frequency, many handheld transceivers employ Continuous Tone Coded Squelch System (CTCSS) encoders and decoders. CTCSS systems add a tone at the low end of ...

The AK2345 is an IC which supports CTCSS (Continuous Tone Controlled Squelch System), compatible with TIA/EIA-603 standard. A single CTCSS may be selected from among 50 different frequencies within a ...