UHF-Satcom.com - Skynet 5B UHF/SHF monitoring Last update 21/01/2008 11:15:26 -0000
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Skynet 5B is the second of the 'new generation' of British Military satellites. It was launched on November 14th, 2007 by Arianne-Space. Skynet 5B was initially placed at 6E where it underwent in orbit testing. It was then relocated to its operational slot at 53E where it will be commanded by RAF Oakhanger. |
UHF-SatCom frequencies
| Downlink Freq | Bandwidth | Notes |
Transponder spectrum plot |
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245.200 MHz |
35KHz |
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| 249.4395 MHz | 8KHz |
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| 249.460 MHz | 8KHz |
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| 249.4995 MHz | 8KHz |
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| 249.5095 MHz | 8KHz |
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| 250.1795 MHz | 8KHz |
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| 253.980 MHz | 35KHz |
QRM!! |
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| 257.900 MHz | 35KHz | 2.5Kbps BPSK |
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| 261.100 MHz | 35KHz |
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S-Band TT&C frequencies.
| Downlink Freq | Notes | Transponder spectrum plot | |
| 2227.500 MHz | Coherent TPX - carrier seen drifting in and out of lock. |
SHF-SatCom frequencies.
| Downlink Freq | Band Width | Notes | Transponder spectrum plot |
| 7261.000 | 22 MHz | ||
| 7287.750 | 22 MHz | ||
| 7314.500 | 22 MHz | ||
| 7340.250 | 20 MHz | ||
| 7365.000 | 20 MHz | ||
| 7401.000 | 36 MHz | ||
| 7447.000 | 40 MHz | Single PSK cf=7427.5MHz | |
| 7495.800 MHz | Tracking beacon or TT&C (+-20KHz data) - probably QPSK |
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| 7488.000 | 34 MHz | ||
| 7529.000 | 40 MHz | ||
| 7577.000 | 40 MHz | ||
| 7615.000 | 20 MHz | ||
| 7640.000 | 20 MHz | ||
| 7666.000 | 22 MHz | ||
| 7689.000 | 22 MHz | ||
| 7715.000 | 20 MHz | ||
| 7740.000 | 20 MHz |