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https://i56578-swl.blogspot.com/2015/02/phased-array-antenna.html phased array antenna | diario SWL I-56578 Antonio In antenna theory, a phased array is an array of antennas in which the relative phases of the respective signals feeding the antennas are ... phased array antenna diario swl antonio https://i56578-swl.blogspot.com/2015/02/ghadir-iranian-fmcw-oth-burst-radar.html "Ghadir": Iranian OTH burst radar | diario SWL I-56578 Antonio Ghadir , the Over The Horizon (OTH) Radar from Iran, is daily transmitting on our 10 m-band, often long lasting on 28245 kHz. ... ghadir iranian oth burst radar https://i56578-swl.blogspot.com/2022/09/cis-48-calls-ofdm-transfers.html CIS-48 calls & OFDM transfers | diario SWL I-56578 Antonio Interesting and good quality recording sent me by my friend Ary from UDXF group, whom I thank. The initial so-called CIS-48 probes/markers... cis calls ofdm transfers diario https://i56578-swl.blogspot.com/2015/02/unis-oth-b-radar-16-kz-50-sps.html unid FMOP OTH radar 16Kz BW, 50 sps | diario SWL I-56578 Antonio https://i56578-swl.blogspot.com/2020/07/cis-11-torg-1011.html CIS-11 (TORG 10/11) | diario SWL I-56578 Antonio CIS-11 (also designated as TORG 10/11) is a synchronous, duplex ARQ system requiring separate forward and return links. It's used mainly f... cis torg diario swl antonio https://i56578-swl.blogspot.com/p/german-ny-s4285-fleet-broadcast.html German Ny S4285 Fleet Broadcast | diario SWL I-56578 Antonio Last update : 26th July, 2023 German-Ny STANAG-4285 fleet broadcast is compliant to the common NATO standard (600bps/L submode, 7-bit stre... german ny fleet broadcast diario https://i56578-swl.blogspot.com/2016/01/ January 2016 | diario SWL I-56578 Antonio january diario swl antonio https://i56578-swl.blogspot.com/2022/07/stanag-5066-over-mil-188-110a-polish.html STANAG-5066 over MIL 188-110A: Polish CD/TDF messaging | diario SWL I-56578 Antonio I spent some days monitoring the transmissions of a Polish net on 5094.0 KHz/USB, traffic occurs mainly in the morning from Monday to Friday... https://i56578-swl.blogspot.com/2020/07/stanag-4481f-from-nsy-back-to-normal-op.html STANAG-4481F from NSY, back to normal op | diario SWL I-56578 Antonio (for background read all the post of this topic ) After a period during which the signals showed a strange behavior consisting of a 3-bi... back to normal https://i56578-swl.blogspot.com/2013/12/blog-post_6693.html Austrian Army Training Transmitter | diario SWL I-56578 Antonio austrian army training transmitter diario swl https://i56578-swl.blogspot.com/2024/02/ February 2024 | diario SWL I-56578 Antonio february diario swl antonio https://i56578-swl.blogspot.com/2025/12/ December 2025 | diario SWL I-56578 Antonio december diario swl antonio https://i56578-swl.blogspot.com/p/docs.html docs | diario SWL I-56578 Antonio From this page you can acces to a shared folder and download some important documents (FED-STD, MIL-STD, ACP, ...) mainly related to m... docs diario swl antonio https://i56578-swl.blogspot.com/2021/07/ July 2021 | diario SWL I-56578 Antonio july diario swl antonio https://i56578-swl.blogspot.com/2023/10/ October 2023 | diario SWL I-56578 Antonio october diario swl antonio https://i56578-swl.blogspot.com/2020/07/50bd300-async-5n15-fsk-likely-serbian.html 50Bd/300 async 5N1.5 FSK (likely Serbian-Mil) | diario SWL I-56578 Antonio 6374.8 KHz (cf) async 50Bd/300 FSK using 5N1.5 framing, after demodulation: UFBV UFBV UFBV de FNCS FNCS FNCS E9U9 E9U9 E9U9 de FNCS FNCS F... https://i56578-swl.blogspot.com/2015/02/unid-fmcw-burst-oth-radar.html multi-waveform sounder | diario SWL I-56578 Antonio heard on 9970.0 KHz (cf), about 3.6 Khz badwidth. The sounder consists of a "train" of n different length bursts, each burst has diffe... multi waveform sounder diario swl https://i56578-swl.blogspot.com/2014/10/about-m32arn-morse.html Russian Navy Morse | diario SWL I-56578 Antonio Russian Naval Air Transport / Naval Aviation | Russian Navy Morse | bathy tesac trackob reports and gsvmf.html This short text does no... russian navy morse diario swl antonio https://i56578-swl.blogspot.com/2014/10/prv-experimental-beacon-from-greece.html PRV: experimental beacon from Greece | diario SWL I-56578 Antonio 07/10/14 06549.6 PRV: experimental beacon Preveza, GRC 2003z CW "PRV" Occasionally active, on other frequencies also, with irregula... prv experimental beacon greece diario https://i56578-swl.blogspot.com/2017/02/ February 2017 | diario SWL I-56578 Antonio february diario swl antonio https://i56578-swl.blogspot.com/2020/01/unid-fsk-355bd1000.html Unid FSK 35.5Bd/1000 | diario SWL I-56578 Antonio Unid FSK 35.5Bd/1000 heard in idling mode on 10550 KHz (CF) and recorded using the KiwiSDR located in Kuopio, Finland. The raster shows a... unid fsk diario swl antonio https://i56578-swl.blogspot.com/2015/02/uk-oth-radar-pluto.html PLUTO: UK RAF FMCW OTH Radar | diario SWL I-56578 Antonio The British Royal Airforce is operating the so-named PLUTO OTH Radar in their base in Akrotiri, Cyprus. It is often on 10, 21 and 28 MHz H... pluto uk raf oth https://i56578-swl.blogspot.com/2018/01/stanag-4538-hdl-bw7-frame-structure.html STANAG-4538, HDL+ BW7 frame structure | diario SWL I-56578 Antonio "The HDL+ protocol is used to provide acknowledged point-to-point delivery of datagrams from a transmitting PU to a receiving PU acro... frame structure stanag hdl https://i56578-swl.blogspot.com/ diario SWL I-56578 Antonio diario swl antonio https://i56578-swl.blogspot.com/2015/02/cis-45-v1-hdr-modem-3333-baud-stream_19.html CIS-45 v1 HDR modem 33.33 Bd BPSK stream | diario SWL I-56578 Antonio Number of channels: 45 + 1 pilot tone (~ 3300 Hertz) Manipulation in the channels: 2-PSK Step between channels (frequency net/grid): ... https://i56578-swl.blogspot.com/2026/03/bpskqpsk-phase-ambiguity-and-bit-shift.html BPSK/QPSK Phase Ambiguity and Bit-Shift | diario SWL I-56578 Antonio Dealing with phase ambiguity and bit shifting in a demodulated BPSK/QPSK bistream are two of the most common obstacles that prevent you from... bit shift https://i56578-swl.blogspot.com/2013/12/africa.html Africa | diario SWL I-56578 Antonio Country Africani lavorati in fonia sulla banda DX dei 27 MHz ... africa diario swl antonio https://i56578-swl.blogspot.com/2021/01/ January 2021 | diario SWL I-56578 Antonio january diario swl antonio https://i56578-swl.blogspot.com/2022/10/harris-3g-ale-flsu-async-call-2.html Harris' 3G-ALE FLSU Async call (2) | diario SWL I-56578 Antonio Commenting the recent post about the Harris's implementation of the FLSU Async call [1], an anonymous reader sent me a good quality recordin... https://i56578-swl.blogspot.com/2025/ 2025 | diario SWL I-56578 Antonio diario swl antonio https://i56578-swl.blogspot.com/2014/10/rivet-e-i-suoi-modi-cis36-50-serdolik.html Rivet e i suoi modi | diario SWL I-56578 Antonio Tralasciando i networks in Morse/CW, ci occuperemo oggi del decoder Rivet e della decodifica dei seguenti sistemi: CIS36-50 (in LF a 36 b... rivet suoi modi diario swl https://i56578-swl.blogspot.com/2024/04/ April 2024 | diario SWL I-56578 Antonio april diario swl antonio https://i56578-swl.blogspot.com/2019/05/ofdm-30-1-pilot-4-dpsk-50bd-possibly.html OFDM-30 (+1 pilot, +2) DPSK 50Bd | diario SWL I-56578 Antonio updated The signal was recorded at 8403.5 KHz (CF) thanks to the use of some KiwiSDRs [1], it occupies a bandwidth of 2500 Hz and s... https://i56578-swl.blogspot.com/2014/10/dgps-new-frontier-of-dxing.html DGPS: the new frontier of DXing ? | diario SWL I-56578 Antonio Differential Global Positioning System ( DGPS ) is an enhancement to Global Positioning System that provides improved location accuracy, ... the new frontier dgps https://i56578-swl.blogspot.com/2023/12/swedish-defence-unid-datalink-protocol.html Swedish Defence, unid datalink protocol over MS-110A | diario SWL I-56578 Antonio The analysis concerns short transmissions monitored on 3824.0 KHz/USB within the 80mt Ham Band (1) thanks to SM1OTX Airspy HF+ in Sweden an... https://i56578-swl.blogspot.com/2015/02/unid-fmcw-oth-double-signal-radar-and.html unid FMCW OTH double-signal radar and related sounders | diario SWL I-56578 Antonio interesting pair of signals (indicated by 'a' and 'b'), FMCW and 500 kHz spaced, most likely from the same OTH Radar (RAF Cyprus ?). Both o... https://i56578-swl.blogspot.com/2015/07/mfsk-7-200bd-400hz.html Unid MFSK-7 200Bd 400Hz | diario SWL I-56578 Antonio This waveform is an MFSK-7 running at 200 baud, the seven tones are 400 Hz spaced. The ACF is 350 mSec then 70 bits long. Looking a... unid mfsk diario swl antonio https://i56578-swl.blogspot.com/2020/03/ March 2020 | diario SWL I-56578 Antonio march diario swl antonio https://i56578-swl.blogspot.com/2013/12/blog-post_4433.html Netherlands PTT | diario SWL I-56578 Antonio netherlands ptt diario swl antonio https://i56578-swl.blogspot.com/2019/03/stanag-5030mil-188-140-vlflf.html STANAG-5030/MIL-188-140 VLF/LF multichannel broadcast to submarines (2) | diario SWL I-56578 Antonio (this is a follow-up of the post published here ) The narrow 200Hz bandwidth for VLF/LF submarine broadcast and the low efficiency of th... https://i56578-swl.blogspot.com/2024/12/256-bit-ivs-0xd1e221e1-sequence.html 256-bit IVs & 0xD1E221E1 sequence | diario SWL I-56578 Antonio Just a quick note to observe that bitstreams using (alleged) 256-bit Initialization Vectors (IV) encryption have the same 32-bit/4-byte sequ... bit ivs sequence diario swl https://i56578-swl.blogspot.com/2015/07/msk-1200bd600.html Unid FSK 1200Bd/600 (MSK) | diario SWL I-56578 Antonio I heard this signal on 14747.0 USB at 0645 (30 Jun 15), it's a 500 mS bursts transmission with Br = 1200 Baud (Fig. 1) and 500 Hz Shif... unid fsk msk diario swl https://i56578-swl.blogspot.com/2018/01/clover-2000-arq-mode.html CLOVER-2000 ARQ mode | diario SWL I-56578 Antonio This is a full transfer session recorded on 11135.0/USB 1414z between stations HQ4 and GANOB3 ( supposedly belonging to an Egyptian n... clover arq mode diario swl https://i56578-swl.blogspot.com/2015/04/ April 2015 | diario SWL I-56578 Antonio april diario swl antonio https://i56578-swl.blogspot.com/2015/07/harris-avs-analogue-voice-security.html Harris AVS (Analogue Voice Security) | diario SWL I-56578 Antonio Discussing about an odd MS 188-110 App.B sample found in the web, KarapuZ sent me a recording with a "combined" of signals in which a... voice security harris avs analogue diario https://i56578-swl.blogspot.com/2014/10/codan-9001-qpsk.html CODAN-9001/3012: MPSK-16 QPSK | diario SWL I-56578 Antonio The CODAN 9001 modem uses the 16 QPSK carriers for the transport of data (payload), each carrier is independently modulated with data ... codan https://i56578-swl.blogspot.com/2014/10/serdolik-crowd-36-cis-36.html SERDOLIK MFSK-34 (CROWD-36) | diario SWL I-56578 Antonio Serdolik MFSK-34, aka CROWD-36, is a MFSK-34 system with 40Hz spaced tones modulated at speed of 40 Bd speed . The needed bandwidth ... mfsk crowd diario swl antonio https://i56578-swl.blogspot.com/2017/05/ May 2017 | diario SWL I-56578 Antonio may diario swl antonio