9 hours ago
Update #7 4m dish build. Just a quick look see! It's really taking shape and more fun now all the messy cutting and drilling is done.. #Ghz_bands #eme #hamradio https://t.co/aGn3UajP55
9 hours ago
16 ribs ready for the 4m dish. Lots more to do now the Aluminium has arrived. Outer and inner rings next.
#eme #Ghz_bands #hamradio https://t.co/I2ykN7rrbQ
9 hours ago
I thought i would add RA and DEC output to my DSN Tracker. What a rabbit hole. Soon was knee keep in LST and GST and Hour-Angle. Took way too long to get this going. But it's done (i hope).
Now am thinking sidereal tracking would be a nice addition too... https://t.co/22LhQXYQJB
10 hours ago
Nick James observing from Chelmsford, UK provided this GIF via Seesat-l of #Change5. Potentially interesting! I heard reports from EU radio observers of signal level variations earlier. Not 100% sure this is the payload and not the final rocket stage. https://t.co/XJYuQ3oJNJ https://t.co/ZiPPxfLTHm
12 hours ago
New blog post: A look at Chang'e 5 telemetry. Details, code and data for the Chang'e 5 frames that I've been tweeting about lately. Thanks to @usa_satcom and @uhf_satcom for providing the data and to @r2x0t for leading this decoding effort. https://t.co/0bRoP2bPe2 https://t.co/Ro9QEYRhaz
16 hours ago
CE5 X-Band downlink this evening, new tracking data from @coastal8049 working a treat, no tweaking needed of antenna position! https://t.co/owWjnHvfXv
Author Archives: trango
XHRPT Ecosystem
There are many parts of operating a successful XHRPT station. In the diagram below you can see various radio options, demodulators, decoders, trackers and image processing options. Yes, there is some complexity, but that is part of the interest. If … Continue reading
Posted in POES
Mercury Transit of 2019
Got up way too early to capture this rare Mercury Transit. Mercury is small, about 1/3 the size of the Earth. Good thing there was no sunspots or Mercury would have been difficult to locate.
GOES-16 / 17 Setup Guide
Here is a great write up by Rodney AAA6RD, Region 6 Director for US Army MARS on his GOES-16/17 setup. The write-up includes what’s required, the setup details and the results. GEOS-16_Receiver_Project-12022018
Posted in Uncategorized
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 of MetOp-B AHRPT. The video has been speed up, so … Continue reading
Posted in Satellites, Spacecraft
Tagged L-Band, Software
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 includes quite a few images. Good Luck!
Posted in GOES, Satellites
Tagged L-Band
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 (Low Rate Information Transmission). GOES-16, a more advanced satellite does … Continue reading
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 HackRF one from it’s plastic … Continue reading