The software can be used with any hf receiver and allow you to decode a multitude of digital modes. This mode is defined by the international civil aviation organization icao. So no matter what operating system you run on your computer, there will be a digital mode a. As radio communications are sparse, and the pilots obviously dont want to monitor noisy hf static for the entirely. Acars and other aircraft transmissions category is a curation of 11 web resources on, acars decoder app, posfix, planeplotter. As a standalone unit, cobhams selcal is well suited for upgrade programs in which. Jun 22, 2019 all dates are local dates and all times are zulu gmt and in chronological order. Airnav selcal decoder only needs an hf airband receiver and your sound card. Unlimited userdefined memory presets and quick lookup v. Selcal uses a groundbased encoder and radio transmitter to broadcast an audio signal that is picked up by a decoder. Sigmira is a software defined radio sdr application program that runs on windows and linux. There are a number of software applications available that will run on windows, mac osx and various forms of linux. Hf selcall this is an informational resource for hf selcall. After starting selcal analysis the detected frequency values are displayed as pixels a selcal signal is easily recognized as stable lines.
This allows the receiver audio to be muted until that code is received, alerting the crew there is a radio call for them. Download decoder sha256 software downloads free decoder. We also discover a data packet which is a selcal test. Listed under the softwareacars category that is about acars and other aircraft transmissions. Whie searching for a decoder for a particular mode that is only commercially available so it seems i came across this decoding software and decided to give it a try. Hf software decoders from the radioreference wiki without a doubt, decoding digital signals at the software level has grown in recent years, easily supplanting the hardware decoders, since software packages can be updated and are generally free of hardware constraints there. Apart from these im not aware of any other software selcal decoders, free or paid. Whilst testing the software i centred the receiver on 127. This version is virus free one of my hobbies is decoding digital rf transmissions from across the spectrum. Mar 01, 2018 here i take a look at receiving hf air band broadcasts from ground stations to international bound aircraft. The selcal is designed to detect the four letter code attributed to an individual aircraft, avoiding permanently monitoring the receivers. Just connect your radio to your pc sound card using a simple audio cable. File distribution notice of airnav selcal decoder shareware airnav selcal decoder free download 2000 shareware periodically updates software information of airnav selcal decoder from the publisher, so some information may be slightly outofdate.
The use of selcal allows an aircraft crew to be notified of. Select your tone type from the extensive selection of available modes, then touch the button for each tone you wish to send. It allows decoding the most of the data transmission modes used by many services. When a call is identified for the aircraft, the decoder actuates a signal indicator which may be a light, a chime, or any combination of such crew alerting devices, and enables swift and reliable answering of the call. Here i take a look at receiving hf air band broadcasts from ground stations to international bound aircraft. The low cost softwarebased selcal encoder used by airlines and aeronautical radio operators to page specific aircraft during flight via hf or vhf radio. Please find below the results of a 24 hours session on all seven gmdss hf. Real time airline flight tracking software adsb receivers. Here i take a look at receiving hf air band broadcasts from ground. The current installer available for download requires 972 kb of hard disk space. Hf software decoders from the radioreference wiki without a doubt, decoding digital signals at the software level has grown in recent years, easily supplanting the hardware decoders, since software packages can be updated and are generally free of hardware constraints there are a few that need a dongle, though. Multimode decode and transmit morse code cw, rtty, fax, sstv, sitorb, navtex, packet, acars.
Airnav selcal decoder download decode aviation hf special. Comtekk avcall makes use of the computer sound card and software dsp digital signal processing techniques to decode and instantly display aviation selcal codes, a 2 2 tone signaling system used to page aircraft via hf or vhf radio on overseas flights. The selcal decoder on board each aircraft is assigned a unique 4letter code. With airnav selcal decoder any kind of hardware decoding system. Selcal uses a groundbased encoder and radio transmitter to broadcast an audio signal that is picked up by a decoder and radio receiver on an aircraft. All selcal checks are free of charge just call the station with the aircraft registration mark and when you receive a reply ask for a selcal check and give your selcal code. Listening to selcal and the hf air band with an rtlsdr. The 4 channels decoding is particularly useful with the rtl dongle. Mar 02, 2018 over on youtube content creator tech minds continues to upload informative rtlsdr based videos, this time discussing selcal and the hf air band. The airnav selcal decoder installer is commonly called ansd. This system operates with existing hf and vhf groundtoair. Listed under the softwareacars category that is about acars and other aircraft. In international aviation, selcal or selcal is a selectivecalling radio system that can alert an aircrafts crew that a ground radio station wishes to communicate with the aircraft. This tool was developed for the analysis of analogue sequential single tone call systems.
Acars, hf and vhf flight monitoring for aviation enthusiasts. Receiving hf air band with an rtl sdr receiver selcal. It operates with with an external conventional receiver, rfspace sdriq, rpspace sdr14, or networked receiver. Airnav selcal decoder enables you to decode in realtime aviation hf selcal transmissions.
Over on youtube content creator tech minds continues to upload informative rtlsdr based videos, this time discussing selcal and the hf air band. The most popular version of the airnav selcal decoder is 1. Selcal is an international signaling protocol which allows airline radio operators to contact specific aircraft over hf of vhf radio while in flight. In the past, i mostly used the excellent and free yadd software to decode all. Vk5vkas links to computer software for hf shortwave. In the uk i used frequencies listed for shannon ilr and found 6.
Scanscope decodes dcs, ctcss and selcal signalling techniques that are. Multimedia tools downloads airnav selcal decoder by airnav systems llc and many more programs are available for instant and free download. Used by airlines and aeronautical radio operators to page specific aircraft during flight via hf or vhf radio. The first version of selcal in 1985 used only 12 tones a through m except i. Free licenses available via flightaware windows dump1090 dump1090 is a mode s decoder specifically designed for rtlsdr. Hflink is an international resource for radio operators using ale or selcall with transceivers, antenna systems, hardware and software controllers. While trying to figure out sdrplays fancy radio spectrum processor a software defined receiver i came across the most unusual transmission on one of. The only software based selcal decoder in the market. Tune your hf receiver to one of a number of frequencies, this will depend on your location and the time of day hf propagation conditions. Acarsdec is an open source, multichannels realtime acars decoder for linux.
Decodes tones used by nz fire service this is my use for it, fire service is a large user of this technology, nz police not used much by police in auckland, st johns ambulance service large user and tranzrail large user. Ham radio digital modes software list and descriptions. Feb 06, 2020 apart from these im not aware of any other software selcal decoders, free or paid. Icao selcal also known as avcall, annex 10, or just selcal is a hf high frequency 330 mhz vhf very high frequency 30300 mhz aviation selective calling system used by ground stations to initiate radio communications with aircraft. The operator will send out your selcal tone and assuming the selcal unit is working you will hear a chime in the cockpit. You will find the standard fax, cw, psk and olivia decoders, but also the nato standard stanag. Shareware airnav selcal decoder at download collection. As radio communications are sparse, and the pilots obviously dont want to monitor.
The actual developer of the program is airnav systems llc. Amateur radio software for receptiontransmission of jt65a protocol with an emphasis upon its usage in the high frequency amateur bands. Listed under the software acars category that is about acars and other aircraft transmissions. So no matter what operating system you run on your computer, there will be a digital mode application available for your operating needs.
Download now and after ordering you will be able to decode selcal. Selcal decoder software free downloads 2000 shareware periodically updates software information and pricing of selcal decoder software from the publisher, so some information may be slightly outofdate. Ale for organizations, emergency relief operations. The cobham selective calling decoder selcal has been fitted on. Send and receive email through the winlink 2000 system using the winmor mode on hf, and 1200 baud packet on vhfuhf. Legacy software airnav radarbox live flight tracker. Sigmira offers wideband spectrographic, waterfall, and phase plane displays. Rtty, navtex, and wefax hf software for sound analysis. What radioraft is radioraft is a multimode radio data decoder software, created by francois guillet, f6flt. Recent updates to the jaero lband and cband aero decoder decoding morse. Selcal decoder is multipsk and hfdl decoder is pchfdl both running under wine. For international flights it is common for aircraft to communicate with ground controllers and the parent company via the hf bands.
You should confirm all information before relying on it. Expand partition and create swap file on beaglebone black ubuntu sdr img. Mt63 is a digital radio modulation mode for transmission in highnoise situations developed by pawel jalocha sp9vrc. Rtlsdr rtl2832u and software defined radio news and projects. Selcall ccir 4934 is the primary focus of this resource, and the variations of it that have been developed for modern hf selective calling as used in hf ssb land mobile applications. The selcal analysis for the vhfuhf range employs a graphical display in two dimensions, frequency yaxis and time xaxis. Without a doubt, decoding digital signals at the software level has grown in recent years, easily. Legacy software airnav radarbox live flight tracker and. It only needs an hf airband receiver and your sound card. Selective calling is accomplished by the coder of the ground transmitter sending coded tone pulses to the aircraft receiver and decoder. All dates are local dates and all times are zulu gmt and in chronological order. Selcal specification2 the official specification for the selcal system is found in arinc characteristic 71461990, published on august 15, 1990.
1040 1169 680 655 904 1069 257 261 1579 1116 1042 1326 663 476 775 1563 505 310 6 1235 1355 1201 714 834 235 714 593 288 1083 765 1380 1109 193 61 377 617 1167 237 1219 537 1468 172 487 1435 1314 1113 454