Difference between revisions of "Observations"
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File:Waterfall 1521029 2020-01-10T17-38-40.png|GMSK4k8 | File:Waterfall 1521029 2020-01-10T17-38-40.png|GMSK4k8 | ||
Revision as of 21:00, 11 January 2020
Introduction
Satellites use a variety of transmitters, frequencies, and modes (encodings). Similar equipment will produce similar observations. Satellites can have, and often do have, multiple transmitters and modes. Below are various categories of observations.
Transmitters
Various transmitters here.
The SatNOGS DB API can generate the current list of transmitters.
Modes
The SatNOGS DB API can generate the current list of modes.
At the time of writing, there are 66 modes, listed below:
- AFSK
- AFSK1k2
- AFSK9k6
- AHRPT
- AM
- APT
- BPSK
- BPSK115k2
- BPSK12k5
- BPSK14k4
- BPSK1k2
- BPSK2k4
- BPSK400
- BPSK4k8
- BPSK9k6
- CERTO
- CW
- DQPSK
- DSTAR
- DUV
- FFSK1k2
- FM
- FMN
- FSK
- FSK19k2
- FSK1k2
- FSK2k4
- FSK4k8
- FSK9k6
- GFSK
- GFSK19k2
- GFSK1k2
- GFSK2k4
- GFSK4k8
- GFSK9k6
- GFSK
- Rktr
- GMSK
- GMSK19k2
- GMSK1k2
- GMSK2k4
- GMSK4k8
- GMSK9k6
- HRPT
- LRPT
- LSB
- MFSK
- MSK19k2
- MSK1k2
- MSK2k4
- MSK38k4
- MSK4k8
- MSK9k6
- OFDM
- OQPSK
- PSK
- PSK31
- PSK4k8
- PSK63
- QPSK
- QPSK31
- QPSK38k4
- QPSK63
- SSTV
- USB
- WSJT
Example Waterfalls
Below are waterfalls depicting various modes.
AFSK1k2
BPSK400
BPSK1k2
BPSK1k2
BPSK1k2
BPSK1k2
BPSK12k5
CERTO
CW
CW
DUV
FM
FM
FMFSK9k6
FSK9k6
FSK9k6
FSK19k2
GFSK Rktr
GFSK9k6
GMSK
GMSK4k8
GMSK4k8
GMSK9k6
See Also
Note, for some modes there are a variety of baud rates and other factors that make it so two identical modes might not necessarily look similar. For further comments on the variety of modes, see:
