Table of Contents
[hemmerling] Digital Selective Calling ( DSC )
DSC Norms
- GMDSS Information by Densham and Associates - “The Global Maritime Distress and Safety System (GMDSS) has revolutionised marine radio communications”.
- Norm “7.Rec. ITU-R M.541-9 1. RECOMMENDATION ITU-R M.541-9*. Operational procedures for the use of digital selective-calling equipment in the maritime mobile service. (1978-1982-1986-1990-1992-1994-1995-1996-1997-2004)” ( PDF ).
- Norm “ITU-R M.689-2 International maritime VHF radiotelephone system with automatic facilities based on DSC signalling format” ( PDF ).
- Norm “ITU-R M.1082-1 International maritime MF/HF radiotelephone system with automatic facilities based on DSC signalling format” ( PDF ).
- ITU-R Radio Regulations.
- International Amateur Radio Union - Chapter 10.1, The Radio Regulations.
- Regulations. Maritime Radio Service ( PDF ).
- ITU.
- ITU Electronic Bookshop - ” With regard to Recommendations only, if you have already registered and received a Special ID and password for access to 3 Free ITU-R Recommendations”.
DSC Basics and DSC Resources
- Wikipedia
- EN.Wikipedia: "Global Maritime Distress Safety System" ( Digital Selective Calling ).
- DE.Wikipedia: "Rufnummer" “Länge von Rufnummern”.
- [http://en.wikipedia.org/wiki/Duplex_%28telecommunications%29|EN.Wikipedia: “Duplex (telecommunications)”]].
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- UKW-Funkanlage zur Abwicklung von DSC und Sprechfunk
- UKW-DSC-Wachempfänger
- GW-Funkanlage zur Abwicklung von DSC und Sprechfunk
- GW-Funk-DSC-Wachempfänger
- GW-KW-Funkanlagen zur Abwicklung von DSC, NBDP und Sprechfunk
- GW-KW-DSC-Wachempfänger
- International Maritime Organization ( IMO ).
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- VHF DSC watchkeeping receiver are tested according to IEC 61097-3.
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- Class A,B,C,D,E and SC101.
- “The DSC protocol is defined by ITU-R Recommendation M.493 (series), available from the International Telecommunications Union in Geneva, Switzerland. DSC operation is defined by ITU-R Recommendation M.541 (series).”
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- “DSC = Digital Selective Calling (Digitales Selektivrufsystem ). Dabei wird mittels eines DSC-Controllers aus einer vorgefertigten Menüstruktur eine Meldung zusammengestelt, weldhe digital ( UKW: 1200 Baud, also eine gute halbe Sekunde, GW/KW: 100 Baud, also etwa 6-7 Sekunden Übertragungsdauer ) übertragen wird. Dabei ist es möglich, über eine Art Telphonnummer ( die MMSI ) eine Gegenstelle selektiv anzuwählen. Der DSC-Anruf dient dabei i.d.R. nur der Verbindungsaufnahme, die eigentliche Meldung erfolgt dann auf einem Arbeitskanal per Sprechfunk”
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- “GMDSS ... ist ..geeignet, sich in Telefon-Landnetze einzuwählen”.
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- GMDSS Sea Areas (PDF).
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- Forschungsschiff "Senckenberg" - 165 BRZ.
DSC Signal Decoder Software, DSC Simulators, DSC String Examples
DSC Audio Decoder, DSC Audio Encoder, Audio Tools
- DSCdecoder for Windows, 21 days trial expiration time.
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- W61PC Decoder SOFTWARE.
- Klingenfuss "Wavecom Digital Data Decoders" - DCS Selective Calling, DSC HF, DSC DSC UHF/VHF.
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- “Modes of radio data transmissions that RadioRaft decodes are: GMDSS-DSC,..”.
- Excursion: DTMF.
- The free SSETI Express S Band DTMF Telemetry Decoder by Howard G6LVB, with Visual C++ sourcecode.
- “It takes the DTMF tones transmitted every couple of minutes from the S Band tranmitter at 2401.840MHz in narrow band FM and decodes them. It performs an FFT in realtime on soundcard input. It's compiled in Microsoft Visual Studio 6”.
- The free DTMF DECODER UPDATED V2.0 by Sagar Devkota, with VisualBasic6 sourcecode.
- DTMF Decoder 2 by Infidigm, using AVR-GCC C compiler.
- Soft-Switch.org - “Smart call processing for dumb telephony hardware”.
- “Spandsp is a library of many DSP functions for telephony. These range from simple modules, such as DTMF detection, to a complete software FAX machine”.
DSC Non-Audio Simulators
- HB9RXC Home Page by Pietro Bossi.
- The free VHF SRC Simulator.
- DSCSim ( SourceForge: DSCSim, SourceForge: DSCSim ) - GMDSS VHF DSC Simulator, opensource network based simulation of maritime radio communication.
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- “VHF DSC TutorPlus” - DSC simulator.
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- MI Simulators. The shop of virtual electronics - free download of trial versions of radio simulators.
- Radio simulator based on Standard Horizon® GX1500S radio and DSC class D controller.
- Radio simulator based on MF/HF Marine Transceiver IC-M801E.
- Radio simulator based on SIMRAD® RT64 VHF radio and SIMRAD® DSC1400 DSC class D controller.
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Protocol Output from DSC Marine Transceivers and an Example for a SITOR Message
- The RTTY Listener #37 (PDF) - SITOR.
Marine Transceivers, HF / VHF Transceivers, HF / VHF Radio Telephones, HF / VHF Fixed Radios with DSC
- Devices which are named “Marine Transceiver”, “HF Transceiver”, “HF Radio Telephone”, “Fixed Radio” are expected to support DSC.
- Thrane & Thrane A/S, Denmark - “Sailor” marine tranceivers with DSC and direct call support.
- Thrane & Thrane A/S: "Extranet" - website mentioned in the paper manuals as source for download of manuals, but just offered for business partners.
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- SAILOR 6215 VHF DSC Class D.
- SAILOR 6216 VHF DSC Class D.
- e-GOC - communication system for education, with DSC. By DSC, you can transmit a “Payphone” identifier.
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- Products.
- “Uniden Oceanus DSC White VHF Marine Boat Radio”.
- “Uniden UM425 Black VHF Marine Boat Radio”.
- “Uniden SOLARA DSC”.
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- ICOM Products with DSC do not allow the transmission of a “Payphone” identifier.
- Products
- “ICOM M304 Waterproof DSC VHF Radio”.
- “ICOM IC-M802 - Digital Marine SSB Radio” - DSC, NMEA 01803.
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- Simrad RD68 dVHF Fixed VHF, with DSC support.
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- Ray218E VHF Radio - DSC, NMEA 01803.
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- VHF 300i AIS - “The Garmin VHF 300i AIS provides Class D Digital Selective Calling (DSC) capability via NMEA 0183 or NMEA 2000 connectivity”.
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- StandardHorizon - Fixed Mound VHF, with DSC support.
- QUANTUM GX5500S.
- QUANTUM GX5000S.
- MATRIX GX3000S.
- MATRIX GX2000.
- MATRIX GX2100.
- QUEST-X GX1500S.
- ECLIPSE DSC+ GX1100S.
- ECLIPSE DSC GX1000S.
- stabo Elektronik GmbH - Ein Unternehmen der Groupe President Electronics S.A., Balaruc/France und exklusiver Lieferant von President-Produkten in Deutschland.
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- DSC (Digital Select Calling) capability that meets SC101 standards (721/725US only).
- DSC (Digital Select Calling) capability that meets EC Class D standards (721/725EU only).
- “NMEA output sentences: DSC ( for DSC call), DSE (for enhanced position).”
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- “Barrett 980 GMDSS”, “Barrett 2050 HF”.
- “Barrett 960 HF Telephone Interconnect”, “Barrett 2060 ALE”.
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- Furuno.JP > Home > Products > Marine Equipment > Communication > Radiotelephone > VHF RADIOTELEPHONE FM-8800D - suitable printer is “Furuno PP-510”
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- JHS-770S/JHS-780D VHF radiotelephone ( PDF ) - suitable printers are NKG-91, DPU-414.
Marine Transceivers, HF / VHF Transceivers, HF / VHF Radio Telephones, HF / VHF Fixed Radios without DSC but with "Direct Dial"
- Codan Limited, Australia.
- RTU-292.
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- “The RTU-292 offers a standard four-wire audio connection to the radios with balanced/unbalanced 600 Ohm or high impedance interfaces”.
- “The Radio Remote Control Option uses the RTU-292’s serial port to remotely control radios over telephone lines, permitting a user to change internal radio parameters such as mode, channel, or frequency of distant unmanned radios. Optional software is available for many kinds of radio remote control and different operational scenarios”.
- WBC Technologies: "Raytheon" - “Raytheon JPS Communications RTU-292”.
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- GME, Australia.
- GME Germany - “EPIRBS & PLBs Only”, i.e. there is no distributor of marine tranceivers for Germany.
- GX558A VHF Marine Transceiver with Seaphone ( discontinued ).
- GX558 VHF Marine Transceiver with Seaphone ( discontinued ).
- “Your GX558, as supplied, is suitable for marine use in and around Australia and New Zealand. However, as OTC Auto Seaphone Direct Dialing is not currently available in New Zealand, radios distributed in New Zealand have been fitted with the international weather channels INSTEAD of the Audo Dialing feature. If a comparable Auto Dialing System becomes available in New Zealand, your GX558 can be retrofitted with this feature, if required”.
- “To operate the OTC AUTOMATIC DIALING feature, you must register this number with OTC MARITIME.... If you do not register this number, you will still be able to make SEAPHONE calls through the OPERATOR, but you will not be able to dial directly using the TELEPHONE feature”.
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- “In 1947 The Overseas Telecommunications Commission (Australia)- OTC(A) was formed and took over responsibility for the network”.
- “In 1992 OTC(A) was merged with Telecom and became Telstra.”.
- Telstra, Australien.
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Vendors of Marine Transceivers, HF / VHF Transceivers, HF / VHF Radio Telephones, HF / VHF Fixed Radios
Hardware
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- Pertec International: "Products : Marine Products : Communications: VHF communications : Sailor Products " - “Sailor RT4822 VHF DSC”.
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- Busse Yachtshop: "Marine Radio receiver: Sailor RT4822 Marine Transceiver with DSC and ATIS Controller" - “Out of production in 2005, no more available”.
- Busse Yachtshop: "Stabo President MC8000 DSC und ATIS" - 169 EUR on 2010-02-02.
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- ICOM IC-M802 - Digital Marine SSB Radio: “Interface Inputs/Outputs: RS-232C port (Modem, GPS, NMEA input), DSC and headphone jack”.
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- “The IC-M802 can be set to memorize your HF e-mail access frequency, mode and bandwidth settings. At sea e-mail has never been easier. Please consult with an HF e-mail provider for details”.
- “When set up with the IC-M502 VHF radio, Icom offers you a complete communications station”.
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- “Supports DSC (displays position data from DSC capable VHF radio): yes”.
- “NMEA input/output: NMEA 0183 compatible and NMEA 2000 certified”.
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- NON DSC: Non DSC radios are fully equipped with all Australian and International frequencies and usually contain features such as Selcall and Telcall. These two features are essential if you are intending to use Australian networks i.e., Radtel Network (Maritime Safety Network) for your Safety Logging and also making Radio Telephone calls.
- DSC: Please note that DSC equipped units do NOT have normal Selcall / Telcall (as discussed above) fitted as standard. It can however be fitted as an option if preferred.
- Codan NGT-ARV_Mar, NGT-SRX_Mar.
- “The Codan NGT is the world's smallest and most automated HF Radio. If you don't require DSC - this is the radio for you!
- Selcall, Telcall, SMS Message Service all inc.
- Multi-Functional Selcall ID's for ease of use.
- SMS Facility standard feature.
- SailMail & Data Compatible - SRX Model only.
- Radtel Direct Dial Telephone Call compatible.
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- AND Group: "Raytheon GMDSS Radio Telephone VHF 1000" - “The two Raytheon Radiotelephones versions VHF 1000 DSC (simplex) and VHF 1100 DSC (duplex) are the new VHF radios for merchant vessels, and professional users.”
Resources
Hardware/Software Interfaces of Marine Transceivers, HF / VHF Transceivers, HF / VHF Radio Telephones, HF / VHF Fixed Radios with DSC
Resources
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- “The NMEA standard is proprietary and sells for at least US$ 270 as of August 2007.[2] However, much of it has been reverse-engineered from public sources and is available in references like gpsd and Dale DePriest's”.
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- Amateur radio station OH6NT, Thomas Anderssén, menu entry “Tech Notes”.
- The NMEA 0183 Protocol ( PDF ).
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- Description of popular NMEA commands, including the NMEA command “FSI” which is important for controlling of the marine transceiver by a modem.
- Thomas Knauf: "SeaTalk Technical Reference" - “SeaTalk is a simple interface for networking Raymarine/Autohelm marine equipment so that all devices of a ship can exchange and share their data. SeaTalk is a proprietary solution of Autohelm and not compatible with NMEA or CAN”.
- LonWorks.
- DE.Wikipedia: "Local Operating Network" - “LonWorks”.
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- “Quatech RS-232 PCI boards utilize a single PCI slot to provide two, four, or eight independent asynchronous serial ports that share a single interrupt..... The RS-422/485 serial boards are available with either two or four ports”.
Software
- NMEA Library( Sourceforge: "NMEA", Sourceforge: "NMEA" ) for Microsoft Visual C++ with Microsoft Visual Studio 2005, Unix GCC.
- Erik Burrows - Java library “AISlib”.
HF E-Mail, HF SITOR, HF E-Mail Service Providers
Resources
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- “HF is the only worldwide communications medium that is totally free of transmission time charges - an important factor today in the era of bankrupt economies, tight budgets and heavy cost control. It saves companies and organizations a major portion of their communications budget every year to use on more important things, because - once the equipment is installed - there are virtually no on-going costs”.
- NOAA - National Oceanic and Atmospheric Administration: "NATIONAL WEATHER SERVICE PRODUCTS VIA COMMERCIAL MARITIME COAST STATIONS and WEATHER NETS" - list of global HF radio networks and its HF data services.
- SITOR (Simplex Teletype Over Radio).
- “ITU-R M.476-5 Direct-Printing Telegraph Equipment in the Maritime Mobile Service”.
- ShipCom LLC - “ShipCom provides radio email service via HF SSB radio. The ShipCom system supports SITOR, AMTOR, PACTOR and PACTOR II”.
- “Emailservice”.
- Global Link Network - “GLN-Mail Program”.
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- “SailMail & Data”.
- E-mail over HF radio - “In ranges of less than 50km, VHF radio is an option and is probably cheaper and faster”.
Software
Coastal Radios with "Direct Dial" services
- Telenor Maritim Radio, Norway.
- Radtel Network Pty. Ltd., Australia.
- Lyngby Radio, Denmark - discontinued “Direct Dial” services on 2010-01-01.
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- “OTC MARITIME” ( EN.Wikipedia: "Overseas Telecommunications Commission" Australia, today: Telstra ) - provider of non-DSC based “Direct Dial” services in the 1980th.
Resources
- eHam.net - “Amateur Radio (Ham Radio) Community Site”.
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- OHI Telecommunications Company LLC - Businessradio - Links to manufacturers of HF / VHF equipment.
- Coastal Radio Communications - “Covering the world of M.F. / V.H.F. Coastal Radio.
- Thrane & Thrane A/S “Sailor” manuals.
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- “Barrett 980 GMDSS”.
- “Barrett 960 HF Telephone Interconnect”.
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- Retrevo: "Furuno User Manuals - “FM-8800S/FM-8800D”.
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- ABLE INFOSAT COMMUNICATIONS INC.: "GMDSS Radio Station Models RC1815 & RC1825" - “GMDSS Compliant Dot Matrix Printer. PP-510. The PP-510 is a GMDSS compliant dot matrix printer capable of printing transmitted and received messages from the RC-1800 console. The PP-510 can print 88 characters per line and uses 8.5” x 60 meter single-ply paper.”
Marine Radio Courses
Forums, Newsgroups
Appropriate OpenDirectory Directory Pages
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