Clik here to view.
MFSK-4 (double FSK) 96/100Bd 500Hz, Ukraine Military
This waveform is known as Double FSK 96/100 Baud and 500 Hz shift, a dual channel mode used by Ukraine Military, spreading about a 1730Hz bandwidth. Thesignal was heard just this morning (03 December)...
View ArticleClik here to view.
Arcotel MAHRS-2400 serial (Telefunken Racoms)
This signal has been heard several times, this one on 12282.5 KHz on USB at 1430z. An old WUN publication (http://www.udxf.nl/WUN-v10.pdf) and some other logs report the 12282.0 and 12282.4 frequencies...
View ArticleLogs
19305.0 ---: Russian Mil, RUS 1300 USB CIS-45 HDR modem v1 33.3Bd 62.5Hz BPSK (01Dec15) (AAI)18424.0 ---: Unid 0921 USB MKSK-11 125Bd 250Hz, first tone at: +650Hz ACF 790ms (07Dec15) (AAI)18255.0 ---:...
View ArticleClik here to view.
playing with MS-DMT (MIL-STD Data Modem Terminal)
The MS-DMT application is a software defined modem based communications terminal tool developed as a Microsoft Foundation Class (MFC) based Multi-threaded 32 bit application. It is currently designed...
View ArticleClik here to view.
Logs
03831.0 ZLST: Zoll Leitstelle Cuxhaven, D 2158 USB MIL 188-141 2G-ALE calling ZKNI (10Dec15) (AAI)05155.0 TBB: Turkish Navy, TUR 2115 USB STANAG-4285 600/L CARBs...
View ArticleClik here to view.
pseudo-random frequency hopping
Frequency Hopping Spread Spectrum (FHSS) is a method of transmitting radio signals by rapidly switching the carrier among many frequency channels using a pseudo-random sequence known to both...
View ArticleCIS OFDM modems logs
this is not theresult of a systematicmonitoring but just a grouping of my (2015) logs sorted by frequency and waveform; so it doesn't claim to be complete or to provide a sort of schedule for such...
View ArticleClik here to view.
something broken, tests,... or holidays mistakes
since few days, just 2-3 times a day, I a keep an eye on 11598.0 on USB trying to understand what's going ontoa signal that - apparently - should be a normal and peaceful T600 BEE36-50. This FSK...
View ArticleClik here to view.
about a MIL 188-110 PSK-8 QAM-16-64
This signal, heard on 8542.0 KHz/USB looks like a normal MS 188-110 Serial consisting of a 1800Hz tone, modulated with PSK-8 at rate of 2400 symbols/second... but since the presence of several...
View Articlelogs
06262.5 BCHB1: Italian Navy (ship?), I 0752 J3E/USB checking msgs sent by IDR, roger your 308,309,310 (22Dec15) (AAI)06262.5 IDR: Italian Navy Rome, I 0750 USB sending msgs to BCHB1, STANAG-4285 600/L...
View ArticleClik here to view.
unid FSK 1200Bd 850Hz
10186.0 --- Unid 1340z (cf +1800Hz on USB) strong FSK-2 1200Bd/850, ~1500 Hz bandwidth, heard on 07Jan16: probably GMSK or CPFSK. Since 10186.1 KHz is operated by FUG French Navy with STANAG-4285...
View ArticleClik here to view.
Clik here to view.
an RFSM network on 9050.0 KHz (almost surely Bulgarian Diplo)
I followed these signals on 9050.0 KHz USB mainly in the morning and during the last days, from 0700 to 1100 UTC. Looking at UDXF logs and talking with some friends of mine, the network using 9050.0...
View Articlelogs
ALE08789.4 RJ01: Unid prob. Tunisian Net 1240 USB MIL 188-141 ALE, LQA REQUEST RESPONSE to BF01 (07Jan16) (AAI)09000.0 523497: Unid (prob. USAF asset) 0906 USB MIL 188-141 ALE sounding (06Jan16)...
View ArticleClik here to view.
Andy Warhol
CIS MFSK-68(34+34) variant: such waveforms touch on Art, I wonder what would been Andy Warhol's opinion...
View ArticleClik here to view.
RFSM-8000
from http://www.marsregionone.org/Temp/rfsm-8000.pdf"The RFSM-8000 (Radio Frequency Software Modem) is a software by RFSM-IDE Group, it operates under standards MIL 188-110A / MIL 188-110B App. C,...
View ArticleClik here to view.
MFSK-68 (34+34) logs
The waveform consists of a MFSK-68 modulation with a visible empty place in the center of the spectrum, from here the name "34+34": inside these two sets, the tones are 47Hz spaced. Each 1 second are...
View ArticleClik here to view.
logs
06450.0 BOVIENZO: Italian GdF patrol boat G106, I 0745 USB MIL 188-141 ALE clg CAGLIARI (15Jan16) (AAI)06510.0 K1U: prob. Slovak Mil Kuchyňa, SVK 0751 USB MIL 188-141 ALE clg Z1V (15Jan16) (AAI)06510.0...
View ArticleClik here to view.
Turkish Mil, FSK 600Bd/400Hz KG-84C
Althoughthe signalis weak,you could easily find its basic parameters as in pictures 1 and 2. The signal has been heard on 07932.5 KHz (cf) around 0744z and also analyzed here by radioscanner.ru...
View ArticleClik here to view.
interlocking puzzle
13383.0 KHz (cf), this morning 25 Jan at 0922 UTC: CIS-3000 PSK-8 3000Bd serial flwd by MFSK-68(34+34) + BPSK 10Khz bw, just "interlocked" inside a concurrent CIS FTM-4 150Bd 4000Hz (tones at: -6,...
View Article