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Chang’e 5-T1 and new 1.8m dish online

New spacecraft and new dish were tested this weekend. The spacecraft is the Chinese Chang’e 5-T1, an experimental unmanned lunar mission that was recently launched by the CNSA. The dish is a 1.8m...

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XM-1 S-Band Signal

Need to check dish alignment on S-Band? The 12.5MHz XM-1 signal is a great test signal. XM-1 is a much more interesting signal to look at than Sirius. The signal below is using a 1.8m dish. 12.5MHz...

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Inmarsat Antenna Distribution

Inmarsat L-Band signals from both CONUS and POR need to be routed to various receivers and SDRs, this distribution system is a pretty simple solution (as shown below). Inmarsat Antenna Distribution....

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Blue Force Tracking on Inmarsat

Blue Force Tracking is a GPS-enabled system that give US Military the location of “friendly” military forces. You can read more about it on Wikipedia. Inmarsat is one of the commercial satellite...

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RF Selection for AOR AR2300

In an serious effort to reduce patch panel management, another Mini-Circuits USB 4SPDT-A18 RF Switch has been added. Now, along with the original RF Switch, selections can be made from up to 10...

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AirSpy working with Inmarsat Decoder

My new AirSpy SDR arrived last week. The goal this weekend was to make a small application to stream the IQ over Ethernet and then test it with one of the Inmarsat decoders that I have previously...

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Heat sink and shielding for HackRF One

The HackRF one PCB is manufactured with an option for a shield. This shield is available from NooElec. It’s a simple and quick addition, just some easy soldering. The hardest part is just removing the...

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XRIT Decoder for GOES Satellite

NOAA’s GOES-13 (East), GOES-15 (West) and now GOES-16 produce some amazing images. Both GOES-13 and GOES-15 broadcast weather images to users with suitable ground stations using a protocol called LRIT...

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Cyberspectrum #20 (WX Satellites) Slides

Yep, better late than never… Here are the slides from my WX Satellite presentation at Cyberspectrum #20 in the Fall of 2016. cyberspectrum_wx_sats_r4 Warning, it’s a big (45MB) PDF file because it...

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Image may be NSFW.
Clik here to view.

Solar Eclipse 2017

I have posted a few images here.  

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Image may be NSFW.
Clik here to view.

XM-1 S-Band Signal

Need to check dish alignment on S-Band? The 12.5MHz XM-1 signal is a great test signal. XM-1 is a much more interesting signal to look at than Sirius. The signal below is using a 1.8m dish. 12.5MHz...

View Article

Image may be NSFW.
Clik here to view.

Inmarsat Antenna Distribution

Inmarsat L-Band signals from both CONUS and POR need to be routed to various receivers and SDRs, this distribution system is a pretty simple solution (as shown below). Inmarsat Antenna Distribution....

View Article

Image may be NSFW.
Clik here to view.

Blue Force Tracking on Inmarsat

Blue Force Tracking is a GPS-enabled system that give US Military the location of “friendly” military forces. You can read more about it on Wikipedia. Inmarsat is one of the commercial satellite...

View Article


Image may be NSFW.
Clik here to view.

RF Selection for AOR AR2300

In an serious effort to reduce patch panel management, another Mini-Circuits USB 4SPDT-A18 RF Switch has been added. Now, along with the original RF Switch, selections can be made from up to 10...

View Article

Image may be NSFW.
Clik here to view.

AirSpy working with Inmarsat Decoder

My new AirSpy SDR arrived last week. The goal this weekend was to make a small application to stream the IQ over Ethernet and then test it with one of the Inmarsat decoders that I have previously...

View Article


Image may be NSFW.
Clik here to view.

Heat sink and shielding for HackRF One

The HackRF one PCB is manufactured with an option for a shield. This shield is available from NooElec. It’s a simple and quick addition, just some easy soldering. The hardest part is just removing the...

View Article

Image may be NSFW.
Clik here to view.

XRIT Decoder for GOES Satellite

NOAA’s GOES-13 (East), GOES-15 (West) and now GOES-16 produce some amazing images. Both GOES-13 and GOES-15 broadcast weather images to users with suitable ground stations using a protocol called LRIT...

View Article


Image may be NSFW.
Clik here to view.

Cyberspectrum #20 (WX Satellites) Slides

Yep, better late than never… Here are the slides from my WX Satellite presentation at Cyberspectrum #20 in the Fall of 2016. cyberspectrum_wx_sats_r4 Warning, it’s a big (45MB) PDF file because it...

View Article

Image may be NSFW.
Clik here to view.

Solar Eclipse 2017

I have posted a few images here.  

View Article

Image may be NSFW.
Clik here to view.

XHRPT Update

Getting close to releasing XHRPT decoder. Upgraded to now decode MetOp-A/B, FengYun-3A/B/C in addition to the previously supported NOAA-18/19/15 and Meteor-MN2. Here is a short video of a typical pass...

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