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HF / MW / LW Monitoring
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Shortwave Data Decoding
Discussions regarding decoding digital signals on the HF bands, including HFDL, ALE, RTTY, CW, and others.
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K
Sticky
HF broadcast stations using digital modes
ka3jjz
Sep 2, 2021
Replies
14
Views
8K
Jan 13, 2022
ka3jjz
K
K
Locked
Sticky
Welcome to the SW Data Decoding forum
ka3jjz
Mar 1, 2018
Replies
0
Views
4K
Mar 1, 2018
ka3jjz
K
K
Locked
Sticky
Are you just getting started in HF Digital?
ka3jjz
Nov 1, 2014
Replies
0
Views
10K
Nov 1, 2014
ka3jjz
K
FAX
Wavy Borders Decoding HF Weather Facsimile
sunwave
Nov 17, 2023
Replies
5
Views
4K
Jan 30, 2024
Spleen
Display Launcher By Mike Simpson ?
BOBRR
Jan 23, 2024
Replies
2
Views
773
Jan 23, 2024
belvdr
Unknown
10.645 - 10.745MHz 100khz Wide Unknown Signal
sunwave
Dec 30, 2023
Replies
2
Views
2K
Jan 2, 2024
Token
T
SeaTTY Help
morganAL
Dec 7, 2023
Replies
11
Views
2K
Dec 19, 2023
morganAL
Shortwave Radiogram Post-a-rama
sunwave
Nov 3, 2023
Replies
2
Views
733
Dec 7, 2023
sunwave
Rx NOAA HF Weather Transmissions
WQ2H
Dec 3, 2023
Replies
5
Views
944
Dec 6, 2023
dlwtrunked
D
Modes
Mighty KBC 1 Minute of MFSK64 5950khz WRMI
sunwave
Nov 25, 2023
Replies
0
Views
623
Nov 25, 2023
sunwave
Unknown mess of a signal 6831khz
mbstone99
Oct 19, 2023
Replies
9
Views
3K
Nov 3, 2023
vagrant
USCG on 12750 kHz
MikeTheListener
Sep 16, 2023
Replies
0
Views
2K
Sep 16, 2023
MikeTheListener
13558 USB
Br_e_t_t
Aug 12, 2023
Replies
2
Views
2K
Aug 28, 2023
db_gain
D
ALE
Looking for frequencies to monitor unencrypted ALE signals
kn4hh
Aug 22, 2023
Replies
2
Views
1K
Aug 23, 2023
kn4hh
8414 MHz USB , GMDSS decoding
Saint
Aug 17, 2023
Replies
4
Views
1K
Aug 20, 2023
Saint
W
Help identify these?
W1HD
Aug 14, 2023
Replies
11
Views
1K
Aug 17, 2023
W1HD
W
W
How to decode 8,692.500 Khz
W1HD
Jul 22, 2023
Replies
13
Views
2K
Jul 29, 2023
W1HD
W
W
8899.922 KHz PSK63RC10?
W1HD
Jul 24, 2023
Replies
1
Views
523
Jul 25, 2023
ka3jjz
K
J
5339 khz USB RTTY?
jasoyeom
Jul 23, 2023
Replies
1
Views
623
Jul 25, 2023
ka3jjz
K
Odd "Digital Signals, 14.4 - 15.1 Megs
spongella
Mar 14, 2023
Replies
1
Views
842
Jul 23, 2023
W1HD
W
91081 KHz USB Boston MA Fax
Saint
May 4, 2023
Replies
4
Views
1K
Jul 6, 2023
Saint
DSC Call from MMSI 005015001
MikeTheListener
Jul 3, 2023
Replies
5
Views
846
Jul 4, 2023
Ubbe
U
Weird CW signal on 12.603.500
SpaceForceCmdr
Jun 16, 2023
Replies
8
Views
2K
Jun 21, 2023
Boombox
B
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