70yearsofamateurdigitalmodes-greenman2018

2025-05-07

70 Years of Amateur Digital Modes

by Murray Greenman ZL1BPU

May 2018

TODO: there are a ton of products, callsigns, etc. in this document that have not been added. This would be worth circling back on some day for historical contexts.

Notes
amateur radio
digital mode
AMTOR, PACTOR, CLOVER, OLIVIA
GPS
RTTY
Hellschreiber
Fascimile
CW
AM, FM
HF
DX
radio contesting
teleprinter
FSK
on-off keying
fading
FSK modem
VHF
QST Magazine
Ham Radio Magazine
polar keying
transistor
Creed selector
oscillator
ionosphere
CQ
CMOS
toroidal choke
Yaesu
Xerox
Western Union
QSO
BASIC
IBM AT clone
DOS
Hamcomm interface
BMKMulty
Kantronics
packet radio
Baycom Packet Modem
AX25
386
KISS mode
TCP/IP
Linux
SMTP
RS232
dumb terminal
weather satellite
NASA
beam antenna
WEFAX
SATFAX
WXSat
sound card
Motorola
math coprocessor
noise reduction
Texas Instruments
baud (bps)
DSP
finite impulse response
Fast Fourier Transforms
quadrature modulation
digital frequency synthesis
LF
PSK31
SLOWPSK
Creative SoundBlaster
ISA
Auckland University Radio Research Lab
Trinity College, Cambridge
propagation
Doppler effect
NVIS
Morse code
MOSAIC
Quick BASIC
bandwidth
Spectogram
Feld-Hell
QRSS
linear transmitter
WYSIWYG
WAV file
Direct Digital Synthesis (DDS) synthesizer
CASTLE mode
MFSK16
scatter
Piccolo
Coquelet
IEEE
shift keying
MMVARI
FLDIGI
MULTIPSK
Varicode
STREAM
MFSK8
MSK31
QPSK31
BPSK31
DominoEX
FSQCall
cosine shaping
multi-path
sideband
beacon
meteor scatter
MT63
Walsh-Hadamard
waterfall display
Chip 64
spread-spectrum
PSK
phase
JASON
Incremental Frequency Keying
WSPR
inter-symbol interference
Viterbi decoder
lightning alley
QRN
THOR
NBTV - narrow band TV
SSTV
STANAG 4285
Clicklock
Nixie Clock
Hewlett Packard
frequency counter
PSKSounder
grid map
Chirppix
MEPT
LCD
ATTiny2313
assembly language
Adruino
Windows
FST (Fast Simple Telemetry)
GPSDO
CDMA
reverse engineering
rolling code
EEPROM
CMSK
P-N sequence
narrow band
interleaver, matrix interleaver
WSQ
CSMA
WSQ2
SSB
exciter
Linksys NSLU2
WPM (Words per Minute)
FEC
tone spacing
simplex
landline
satellite phone
cellular phone
repeater
Christchurch earthquakes
Automatic Link Establishment (ALE)
post mortem
ARRL, TAPR
Radcomm
FSQplot
FSE (Fast Simple Error Correction)
Reed-Solomon
FSM (Fast Simple Messaging)
FSP (Fast Simple Privacy)
WSPRplot
WSPRnet
UTC
IFK+
ANSI C
squelch
S-Meter
Index p. 78

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