It isn't D-Star. D-Star sounds like an open squelch and you will not hear any audio modulation on it. That sounds like a Remote SCADA unit that may have a spur output on that frequency. If it is a spur, it shouldn't be that far away. Good Luck Steve W4CNG
--- In [email protected], "Dave Schmidt" <[EMAIL PROTECTED]> wrote: > > In the wav file.... is that white noise or data bursts before and after the > dtmf? > > Dave / N9NLU > > > > > On 12/12/06, Jaime <[EMAIL PROTECTED]> wrote: > > > > Sounds like a digital signal. Could it be one of those new d- star rigs > > that some one has activated the autodial feature on the dtmf pad too? The > > DTMF sounds like it is coming from an autodial feature. My HT has this > > feature and so does my mobile rig. > > > > Jaime-KA3NXN > > > > ----- Original Message ---- > > From: Scott Overstreet <[EMAIL PROTECTED]> > > To: [email protected] > > Cc: Scott Overstreet <[EMAIL PROTECTED]>; Dave Platt < > > [EMAIL PROTECTED]> > > Sent: Tuesday, December 12, 2006 2:10:08 PM > > Subject: [Repeater-Builder] Mystery Signal > > > > Hello All > > > > An interfering mystery signal has suddenly appeared on the input (144.670mhz.) of our repeater. Using a five kc. wide FM detector--- The signal > > is approximately one second in duration---- opens with 100 hz. PL > > (which continues throughout) and then three DTMF "zeros" follow in rapid > > succession and then possibly a short period of some sort of data. The signal > > repeats exactly two times an hour and the source is off in between > > transmissions. This goes on continuously without interruption or apparent > > change. Our area is between urban and big city and the signal is strong > > enough to be heard over a wide area using only an HT. > > > > A wave file of the mystery signal is at: > > > > http://www.radagast .org/~dplatt/ hamradio/ Signal_3. wav<http://www.radagast.org/%7Edplatt/hamradio/Signal_3.wav> > > > > using an FM detector with wide open squelch. > > > > We are obviously very interested in identifing this signal and its > > origin---- > > > > What is it ? > > > > Thanks-- > > > > Scott, N6NXI > > > > > > > > > > ------------------------------ > > Any questions? Get answers on any topic at Yahoo! Answers<http://answers.yahoo.com/;_ylc=X3oDMTFvbGNhMGE3BF9TAzM5NjU0NTE wOARfcwMzOTY1NDUxMDMEc2VjA21haWxfdGFnbGluZQRzbGsDbWFpbF90YWcx>. > > Try it now. > > > > > > >
