Category Archives: SATCOM

Aero Coverage of POR and CONUS

The diagram below illustrates the current Aero coverage that is possible here at USA-Satcom. As you can see there is quite a bit of IQ bandwidth to deal with and consequently at least two i7 hex core machines are needed … Continue reading

Posted in Inmarsat, Projects, SATCOM Tagged , ,

Operation Deep Freeze 2014

It’s that time of year again! Regular science crew transportation missions to and from Antarctica using US Air Force aircraft. Communications occur via Military Satcom in the Pacific Ocean Region. Below are a few recent satcom intercepts as well as … Continue reading

Posted in Inmarsat, Milair, SATCOM Tagged

Inmarsat Aero-P ACARS Multi-Channel Decoder

Inmarsat Aero-P includes an ACARS service for airlines to use while transiting the various ocean regions. This is much more reliable than HF ACARS. Inmarsat hosts 3-4 Aero-P control channels on L-Band for each ocean region. Each control channel is … Continue reading

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NOAA HRPT Weather Satellites

There are some nice wide HRPT signals coming from NOAA 15, 18 and 19 (others too, but these are the ones I looked at today). NOAA 15, 18 and 19 are LEO satellites and therefore require real time tracking. Since … Continue reading

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Operation Deep Freeze Medivac

Operation Deep Freeze coordinating a Medivac with ICE 38. POR 263.6250 on 02-16-13: POR 263.6250 on 02-17-13: Tweet

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Operation Deep Freeze Activity Ramps Up

Operation Deep Freeze became really active as of today (10.13.12). In the recording below you can hear ICE 10, ICE 11, Deep Freeze Ops, Mac Center and Charleston Roth. Discussion of various weather situations, Iridium texts, Microwave Landing System (MLS) … Continue reading

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TerreStar-1 on S-Band

While doing some calibration on the smaller dish I ran across a really nice collection of voice/data signals from the TerreStar-1 satellite. TerreStar-1 is in geosynchronous orbit in the 111W slot. It has an 18-meter antenna and so has some … Continue reading

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Landsat-5 S-Band Reception

Just killing time waiting for ISS / Dragon to come into view. Decided to take a listen to Landsat-5 and was surprised with a really nice wide signal on 2287.5 MHz. Was able to see it lock up with the … Continue reading

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X-Band System is Operational

After a few months of pulling together some key surplus X-Band equipment, USA-Satcom is happy to report successful first signals from both WGS-1 and DSCS-3 satellites. Here are a couple of screenshots of X-Band waveforms from WGS-1 and DSCS-3. Additional … Continue reading

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Operation Deep Freeze

Operation Deep Freeze seems to be active again. These recordings are from end of August but I am just getting around to posting them. From the recordings it sounds like they are just getting Satcom setup and are doing some … Continue reading

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