1 day ago
looking for a place to install the phased array for 420-450 MHz. The goal is to have a minimum of 64 antennas at 4x bigger than shown here. The array will be able to track satellites electronically. Shown here in 4x4 and 16x1 configuration. #cubesat #rf #radar #antennas https://t.co/5PIkpQJ0d6
4 days ago
LA and San Diego lights from this night pass via Suomi. Also can see Salton Sea and Mexicali. https://t.co/qsrOp70bTT
4 days ago
From FengYun-3D afternoon pass on X Band. Nice view of Boise, Idaho area and also Craters of the Moon National Monument & Preserve. https://t.co/OfwlhP0QZC
5 days ago
Mid-year coolant top-off time! I change coolant once a year but need to top it off at least once a year. https://t.co/syLL3ieyYm
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.
