16 hours ago
MetOp-B morning pass.
#XHRPT and #UltraTrack
@SDRPlay RSPdx for the IQs https://t.co/H4AbuWYn6r
1 day ago
The mysterious #ISS signal on 137.626MHz continues. Months since first detected it would appear it emits from something fairly permanently attached to the space station. https://t.co/GFb9GQrKsG
2 days ago
FengYun-3B from yesterday. I was out enjoying the wild and scenic outdoors - i am under one of those thunderheads at the time of this pass!
#XHRPT and #UltraTrack https://t.co/LxZLV6jCFM
3 days ago
Here is something cool! You can listen to the 80 hours of Tianwen-1 accelerometer data (X,Y channels as stereo audio) in 1 minute, 5000x sped up. Periodic pings are used for stabilization, louder hiss periods are burns that preceded TCM1 maneuver.
(headphones highly recommended) https://t.co/VrElH11rJc
4 days ago
I wanted to wait until it unbearable hot before starting this build. Unfortunately it only got to 35°C today.
i had to deal with a few missing things from the kit, but coming together nicely so far. https://t.co/TsrhjFpyxa
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 Uncategorized
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
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 developed. The API … Continue reading
