1 hour ago
China's Tianwen-1 lowers its orbit around Mars to prepare for rover landing https://t.co/E7lsvBC10i https://t.co/gP6s8BGM7D
2 hours ago
Tianwen-1 back to the usual usual. Here is 9ish hour plot of carrier. Usual lock/un-locks. https://t.co/w1EUuUuTuP
14 hours ago
Nice capture! https://t.co/WDgz3HfaTu
Luc Fontaine @coyotefxl
#GOESEast #GOES16 #GRB
Giant dust cloud from Saharan Desert coming to South America. Crop from today's Full Disk sector at 1410UTC. https://t.co/g9Yd6cvD7r
23 hours ago
MOM and its daily(?) 10 min home call. It doesn't seem to be in a ground station lock. https://t.co/Cw3M0mS2tZ
1 day ago
I have purchased S-Band cavity filter 2170-2300 MHz. It's useful in satellite receiver applications https://t.co/Pzo0yG8LZ9 Thanks @sysmocom https://t.co/I4ZLTYgk5Z
1 day ago
My evening with Tianwen-1. Includes signal just before orbital maneuver, AOS just after completion, ground lock, wide band data, etc. Lot's of activity tonight. https://t.co/hx1p4X5jXq
Monthly Archives: November 2014
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 providers that has a contract with the the … Continue reading
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). It’s based on taking an L-Band signals from a dish, where pre-amplification … Continue reading
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.