Recordings of the Datatrak signal
UK chain
F1AFJ recordings
Provided by F1AFJ Jean-pierre, Chatellerault (JN06ht), France.
The spectrogram was created with “Spectrogram v 5.1.6” by R.S. Horne
| File | Date/time | Frequency | Recording type | Length | Notes |
|---|---|---|---|---|---|
| Test.wav | March 2000 | 128kHz to 150.05kHz | Spectrum recording, 44100 Hz 16bit PCM | 1 min 05 secs | A spectrogram is available. Spectrogram parameters: LO=128kHz. Span=22.05kHz. Scroll=5 ms. FFT length=1024 (43 Hz/bin). Resolution bandwidth=86.1 Hz. |
GW4EYO recordings
Provided by Clive GW4EYO.
These were recorded with an RF-Space SDR-IQ receiver, using the SpectraVue software.
| File | Date/time | Frequency | Recording type | Length | Notes |
|---|---|---|---|---|---|
| 0-190 03Aug07.wav | 03-Aug-2007 | 0 to 190 kHz | Quadrature (I-Q) spectrum recording, RF-Space SDR-IQ receiver. | 04 mins 15 secs | |
| 5-145 31Dec08.wav | 31-Dec-2008 | 5 to 145 kHz | Quadrature (I-Q) spectrum recording, RF-Space SDR-IQ receiver. | 31 secs |
Argentina chain
Provided by Antonio Paredes.
| File | Date/time | Frequency | Recording type | Length | Notes |
|---|---|---|---|---|---|
| 132U-datatrak_arg-28sep11-0210z-tony.wav | 28-Sep-2011 02:10 | 132 kHz | Demodulated, upper sideband mode, 11025 Hz 16bit PCM | 23 secs | |
| 145U-datatrak_arg-28sep11-0208z-tony.wav | 28-Sep-2011 02:08 | 145 kHz | Demodulated, upper sideband mode, 11025 Hz 16bit PCM | 33 secs |