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Categoría: DIGITALES (HF/VHF/UHF/+)
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Signal Name Description Frequency Mode Modulation Bandwidth Location Sample Audio Waterfall image
ALE-400 ALE-400 es una versión de radioaficionado del estándar 2G ALE. Es una adaptación para radioafición y redes de comunicaciones para EMERGENCIA. 1.806 MHz — 144.163 MHz USB MFSK 400 Hz Worldwide ALE-400.jpg
AMSAT-P3D AMSAT-P3D (conocido como Phase 3D, OSCAR-40, y AO-40) es un satélite para uso radioaficionados construido por AMSAT en 2004, algunos sistemas del satélite fallaron. 145.805 MHz — 24,048.285 MHz USB PSK 1.6 kHz Worldwide SAT 40.jpg
ASCII ASCII (también conocido como ITA5 o IRA) is an amateur radio telegraphy signal using the ITA-5 alphabet. MHz — 450 MHz NFMUSB FSK 300 Hz Worldwide ASCII.jpg
Automatic Link Establishment (2G ALE) Automatic Link Establishment, 2G ALE (Official designation MIL-STD-188-141A and/or MIL-STD-188-141B (Appendix A)) is the current standardized method of establishing connections between radio operators. Also known as FED-STD 1045, FED-STD 1049, and STANAG 5066. 3.068 MHz — 28.313 MHz USB MFSK kHz Worldwide ALE2G.jpg
Automatic Packet Reporting System (APRS) Packet system for real time data communications. Used by hams for location reporting, weather stations etc. 144.39 MHz — 145.57 MHz NFM AFSK 10 kHz Worldwide APRS.jpg
CCIR 493-4 Selcall CCIR 493-4 Selcall, also known as HFSelcall, Australian Selcall, and Codan 8580 Selcall, is a Selcall standard developed in Australia for the HF band. Used by Amateur radio and Codan Modems. MHz — 30 MHz USB FSK 300 Hz Worldwide Ccir 493.jpg
CHIP CHIP, or CHIP64, is a spread-spectrum PSKmode developed by Antonino Porcino IZ8BLY. 7.09 MHz — 14.11 MHz USB PSK 580 Hz Worldwide CHIP.jpg
CLOVER 2000 CLOVER 2000 is an upgrade to CLOVER-II, a digital data protocol developed by Ray Petit and HAL Communications. Sometimes referred to as XCLOVER or 8 Tone CLOVER. MHz — 30 MHz USB PSKQAM kHz Worldwide CLOVER-2000new.jpg
CLOVER 2500 CLOVER 2500 is a new upgrade to CLOVER-2000, adding 25% more speed to the CLOVER system. MHz — 30 MHz USB PSKQAM 2.5 kHz Worldwide CLOVER-2500.jpg
CLOVER-I CLOVER-I was the first iteration of the Clover series of digital modes. Was never released for commercial use, replaced by CLOVER-II. Also known as Cloverleaf. MHz — 30 MHz USB PSKQAM 100 Hz Worldwide CLOVER-I sim.jpg
CLOVER-II CLOVER-II is the advancement of CLOVER-I, with 4 tone pulses and a max data rate of 750 bps. Also known as Q-CLOVER and QUAD-CLOVER. MHz — 30 MHz USB PSKQAM 500 Hz Worldwide CLOVER-II.jpg
Coherent BPSK Coherent BPSK, also known as C-BPSK, was an experimental amateur mode developed by Bill DeCarle VE2IQ. 138 kHz — 18.081 MHz USB PSK 200 Hz Worldwide Coherent PSK.jpg
Coherent CW Coherent CW(also known as CCW) was a strictly timed morse code mode designed by Ray Petit W7GHM (The same inventor of CLOVER). CCW depended on accurate timing from both receiver and transmitter. MHz — 30 MHz USB OOK Hz Worldwide Coherent CW.jpg
Contestia Contestia, developed by Nick Fedoseev (UT2UZ) in 2005, is a digital mode derived from Olivia. It aims to deliver a compromise of speed and performance. MHz — 30 MHz USB MFSK 150 Hz — 2 kHz Worldwide Contestiathmb.png
D-STAR D-STAR is a digital voice protocol used by ham radio. Is sometimes routed over the internet for international communications. 145.67 MHz NFM PSKGMSK4FSK 6.25 kHz Worldwide DSTAR.jpg
DominoEX DominoEX, also known as just Domino, is an IFK (Incremental Frequency Keying) mode developed by Murray Greenman ZL1BPU and Con Wassilieff ZL2AFP in 2004 that was the first fully developed iteration of the Domino IFKfamily modes. Used to send text over RF. 5.332 MHz — 28.117 MHz USB IFK 173 Hz — 524 Hz Worldwide DominoEX.png
DominoF DominoF was the first experimental implementation of the Domino family of IFKmodes, developed by Con ZL2AFP. DominoF used dual interleaved tone sets. Superseded by DominoEX. 1.838 MHz — 28.08 MHz USB IFK 220 Hz Worldwide DominoF.png
FSK441 FSK441 is a high speed meteor scatter communication mode. FSK441 uses a baud rate of 441 Bd. 144 MHz — 444 MHz USB FSK 1.75 kHz Worldwide FSK441.jpg
FSQ Fast Simple QSO (FSQ) is an amateur radio digital modulation mode developed by Con Wassilieff ZL2AFP with Murray Greenman ZL1BPU in 2015. 3.58 MHz — 10.149 MHz USB IFK+ 300 Hz Worldwide FSQ.png
FT8 FT8 is an amateur radio QSO communication protocol   USB MFSK 50 Hz Worldwide FT8.png
FUNcube-1 Telemetry FUNcube-1 Telemetry is a telemetry signal sent from the Funcube-1 Cubesat amateur radio satellite. 145.935 MHz USB PSK kHz Worldwide FUNcube.jpg
FreeDV COHPSK FreeDV Coherent PSK(Also known as FreeDV 700) is a robust Digital Voice mode developed by David Rowe for his FreeDV Digital Voice Software. MHz — 30 MHz USB PSK 1.5 kHz Worldwide 700 tfc DV.png
Frequency Division Multiplex Digital Voice (FDMDV) Frequency Division Multiplex Digital Voice (FDMDV), also known as FDMDV 14+1-tone, is a digital voice mode originally developed by Peter Martinez G3PLX and Francesca Lanza HB9TLK. It has since been improved upon by David Rowe. MHz — 30 MHz USB PSK 1.125 kHz— 1.3 kHz Worldwide 1600 tfc DV.png
G-TOR Golay-Teleprinting Over Radio (G-TOR) is an FSKproprietary standard developed by Kantronics Inc. and is used by radio amateurs, military (Irish Air Corps/Navy, Mexican army) and governmental agencies (ICRC). MHz — 30 MHz USB FSK 350 Hz Worldwide G-TOR300.jpg
Hellschreiber Hellschreiber (Also known as Feld Hell or just Hell) is a teleprinter system developed in the late 1920's by Rudolf Hell, a German inventor. MHz — 30 MHz USB OOKFSKMSK 350 Hz — 800 Hz Worldwide Feld Hellthmb.jpg
ISCAT Ionospheric Scattering (ISCAT) mode used for weak signal long distance radio contact by meteor and Ionosphere scattering. 50 MHz — 148 MHz USB MFSK 904 Hz — 1.809 kHz Worldwide ISCAT-A Sim.jpg
JT65 JT65 is an amateur radio QSO communication protocol developed by Joe Taylor, K1JT. JT65 has 3 submodes: JT65A, JT65B, and JT65C. The most popular submode of JT65 is JT65A. JT65 gets '65' from the 65 tones it uses. 1.838 MHz — 50.276 MHz USB MFSK 180 Hz — 710 Hz Worldwide JT65AWaterfall.png
JT6M JT6M is part of the WSJT suite of digital weak signal software applications developed by Joe Taylor, K1JT 50.215 MHz — 50.25 MHz USB MFSK kHz Worldwide JT6M sim.jpg
JT9 JT9 is a very narrow 9-FSKmode for making contact (QSO's) under extreme weak-signal conditions. 3.578 MHz — 28.079 MHz USB MFSK 20 Hz Worldwide JT9.png
JTMS JTMS is a meteor scatter mode that uses MSK. JTMS behaves similarily to FSK441. MHz — 30 MHz USB MSK 1.7 kHz Worldwide JTMS sim.jpg
KG-STV KG-STV is an image transmission mode developed by JJ0OBZ in Japan. 3.733 MHz — 14.233 MHz USB FSK 500 Hz — 2.5 kHz Worldwide KG-STV 4LFSK norm.jpg
Kiwi Kiwi is a telemetry mode developed by CNES used on amateur rockets and radio balloons in France. 137.95 MHz — 138.5 MHz NFM FSK 12.5 kHz France Kiwi thumb.jpg
Lentus Lentus is an extremely slow QRP mode developed by Patrick Lindecker F6CTE used to transmit QRP's at very low power. Each 43-character (75 bit) transmission takes roughly 5 minutes to transmit across 32 possible tones in a tight 25 Hzbandwidth. 136.3 kHz — 14.096 MHz USB MFSK 25 Hz Worldwide Lentus.png
MT63 MT63 is a Orthogonal Frequency Division Multiplexed (OFDM) digital data mode aimed for use in high noise environments. MHz — 30 MHz USB OFDMPSK 500 Hz — 2 kHz Worldwide MT63.jpg
Morse Code (CW) CW Morse Code is the simplest form of transmission found virtually all over the RFbands for a variety of uses. The most common use of this is for Call-sign Beacons by both Amateur and Military operators. MHz — 930 MHz CW OOK Hz Worldwide CW.jpg
Multi Frequency Shift Keying (MFSK) MFSK is a family of multi-frequency shift keying digital transmission modes. MFSK-8 and MFSK-16 are two well-known amateur radio modes. MHz — 30 MHz USB MFSK 154 Hz — 630 Hz Worldwide MFSK 8 thmb.jpg
OPERA Beacon / Data OPERA Ad-Hoc Data/Beacon 136 kHz — 10,000 MHz USB ASK Hz World Wide Op02.png
Olivia OLIVIA is an amateur digital teletype mode designed by Pawel Jalocha SP9VRC in 2005. It's goal was to be effective even in poor propagation conditions. MHz — 30 MHz USB MFSK 125 Hz — 2 kHz Worldwide Olivia 8-250y.png
PACKET PACKET, also known as FSK300, AX25, and X25, is a packet based protocol derived from AX.25 and HDLC computer network protocols. Packet radio is a synchronous system in which data is transmitted in ASCII character packets. MHz — 800 MHz USB FSK 730 Hz Worldwide PACKET 300.jpg
PAX PAX and PAX2 are developed by Patrick Lindecker F6CTE in 2005, and was derived from Olivia. It utilizes the AX.25 protocol that PACKET uses, and had a minimum SNR of -10dB. Can transmit APRSframes. 3.59 MHz — 144.62 MHz USB MFSK 500 Hz Worldwide PAX.jpg
PSK-AM PSK-AM is an amateur digital mode developed by Patrick Lindecker F6CTE in 2002/2003, and incorporates FEC interleaving. PSK-AM uses the modulation of PSK10/31 with the FEC of SITOR-B. 10.148 MHz — 144.62 MHz USB PSK 40 Hz — 180 Hz Worldwide PSKAM-31.png
PSK2K PSK2K is a meteor scatter type of mode written by DJ5HG Using a modulation scheme of BPSKat 2000 Bd. 50.36 MHz — 144.36 MHz USB PSK kHz Worldwide PSK2K.jpg
Phase Shift Keying (PSK) PSK is a digital teletype mode based on Phase-Shift Keying (PSK) modulation. The most popular amateur radio PSK mode is PSK 31. 1.838 MHz — 909 MHz USB PSK 10 Hz — 1 kHz Worldwide BPSKthumb.png
Q15X25 Q15X25, also known as NEWQPSK, is an experimental amateur radio packet modem developed by Pawel Jalocha SP9VRC. Q15X25 is a OFDM QPSKimplementation of the AX.25 Packet protocol used in PACKET. 3.585 MHz — 14.109 MHz USB PSKOFDM 1.95 kHz— 2.35 kHz Worldwide Q15X25 2400.jpg
Quadcopter Telemetry Signal This signal originates from the Silicon Instruments Si1000 Software Defined Radio (SDR) that is a component of the 3DR Telemetry Radio, sold for use as a data link between a computer ground station and a UAV "a drone". 414 MHz — 935 MHz FHSS-TDM BPSKQAM8PSK   Worldwide No Audio File Quadcopter.png
ROS ROS is an amateur radio teletype free running QSO mode designed for low signal/high noise conditions. 1.8 MHz — 30 MHz USB CDMA, Phase Continious MFSK kHz Worldwide ROS 8Bd.jpg
RTTYM RTTYM, developed by Nick Fedoseev (UT2UZ) in 2005, is a digital mode derived from Olivia. It aims to deliver a compromise of speed and performance. RTTYM is about 4x faster than Olivia, but trades the speed for reduced robustness and sensitivity. MHz — 30 MHz USB MFSK 150 Hz — 2 kHz Worldwide RTTYM.png
Radio Teletype (RTTY) RTTY (Also known as Baudot or ITA2) uses the Baudot 5-bit alphabet with FSK to send text messages over the shortwave. This mode is gradually dying out in favor of more robust modes like PSK31 in the amateur service. 147.3 kHz — 28.15 MHz USB FSK 85 Hz — 850 Hz Worldwide RTTY thumbnail.jpg
Redundant Digital File Transfer (RDFT) RDFT is an amateur radio digital mode used to transmit files. 9.065 MHz — 9.24 MHz USB PSK 1.8 kHz Worldwide Digtrx intro.jpg
Robust PACKET Robust PACKET, also known as HF-APRS, RPR, Winlink RMS, and APRSlink, is an OFDMversion of the amateur mode PACKET which is optimized for shortwave use. This mode was developed by Spezielle Communications Systeme GmbH & Co. KG (SCS). 3.61 MHz — 14.103 MHz USB PSKOFDM 500 Hz Worldwide Robust PACKET.jpg
Single Sideband Voice Single side band, either lower side band or upper side band, is an AM modulated voice channel with one sideband suppressed. Used in the HFband by amateur radio hams and aircraft weather reports. MHz — 30 MHz SSB AM 1.9 kHz Worldwide SSB Voice.jpg
Slow-Scan Television (SSTV) Slow-scan television (SSTV) is a method for picture transmission used by amateur radio operators to transmit and receive images. MHz — 300 MHz USB FM 2.5 kHz Worldwide Robot 36waterfall.jpg
THOR THOR is an adaptation of DominoEX with MFSK16 binary varicode and FEC. MHz — 30 MHz USB IFK 173 Hz — 524 Hz Worldwide THORthmb.png
THROB THROB is a unique data mode that relies heavily on DSP techniques, using MFSK and AMmodulation techniques together. MHz — 30 MHz USB MFSK 72 Hz — 188 Hz Worldwide THROB1prev.png
VOICE VOICE is a MFSK mode developed by Patrick Lindecker F6CTE in 2006, and was derived from Olivia. It was designed for blind or partially sighted amateur radio operators. MHz — 30 MHz USB MFSK 200 Hz Worldwide VOICE.png
WSPR Weak Signal Propagation Reporter. Hz USB MFSK Hz Worldwide WSPR.png
WinDRM WinDRM is an amateur radio derivation of the Digital Radio Mondiale (DRM) digital voice and data transmission protocol. Also known as HamDRM, and Digital SSTV. 14.236 MHz USB QAMOFDM 2.2 kHz — 2.4 kHz Worldwide Digital sstvimg.jpg
Yaesu System Fusion System Fusion is Yaesu's digital voice/data protocol for amateur radio, using the AMBE+2 vocoder on a C4FM signal. 144 MHz — 450 MHz FM 4FSK 16 kHz Worldwide Yaesu System fusion.png