All intercepts made in Southern California by the author, using a WiNRADiO G33DDC SDR and a PAR EF-SWL end fed 45' wire. All frequencies kHz, all times UTC.
OM = male, YL = woman, SS = Spanish, EE=English, Disp=Dispatcher, Unid = Unidentified.
Tones are CTCSS (Continuous Tone Coded Squelch System) aka "PL."
CSQ = no tone in use (Carrier SQuelch)
Frequency ... Callsign ... Mode ... Description ... Time ... Tone
30740.0 Unid FM SS/OM disp 2342 107.2
31137.0 Unid PSK Ctr fq of unknown buzzy waveform, looks like a wider version of HFDL but different timing more suggestive of an ARQ iss mode. 1-sec PSK burst starting with audio center tuning beep every 2 sec. 0016, gone 0021 n/a
33160.0 Unid FM LOUD SS/EE/OM fast talking car service dispatcher, with skywave fading. Mostly SS but says some numbers and street names in EE. Street names are most likely in Manhattan and Brooklyn. 5th Avenue, 34th St, 51st St., 52nd St, Washington, etc.. Usual phone bg, plus other dispatchers in room. Brief dial tone heard (???). Several possibilities in metro NYC, mostly in Brooklyn. 1852 77.0
33440.0 KCD346 FM Tolland County, CT Mutual Aid ("Station TN"). OM with disp for "807." Later two OMs talking. "Need PD. You're all set." "R" in Morse code heard. Presumably part of the "C" squelching in and out. 2232 179.9
33520.0 KNFM255 FM East Haven FD, New Haven County, CT, dispatch channel. OM, medic alarm. YL, FD dispatch. Street names check out. 2011 131.8
37570.0 Unid FM Weak SS/OM, only one brief fade in above squelch. Not a US allocation. 2120 CSQ?