During the last year or two, you may have heard me talk about rocketcam or rocket-cameras, teasing with pictures but without providing too many technical details. Actually, it all started with a cryptic tweet I posted on October 23, 2016:
Continue reading “Video received from the Nexø II rocket cameras”
A few months ago I started looking at various options for omnidirectional antennas with circular polarization for satellite communications. I came across the TA-1 137 MHz turnstile antenna from Wimo, which looked like an interesting option for a reasonable price.
Continue reading “On-air tests of the Wimo TA-1 turnstile antenna”
I just wanted t let everyone know that Gpredict 2.2.1 has been released. This release fixes some bugs that prevented windows users from updating the TLE data. It also improves the layout of the TLE sources editor.
Continue reading “Gpredict 2.2.1 released”
I’m happy to announce that Gpredict 2.0 has been released! This release accumulates many features and bug fixes that have been done over the last six years.
Continue reading “Gpredict 2.0 released”
In commemoration of the 20th Anniversary of ARISS, the International Space Station is transmitting Slow Scan Television on 145.800. The SSTV event started on the 20th July and will continue until the 24th.
Continue reading “SSTV event from the International Space Station”
Two months ago I hooked up my VHF satellite receiver to the SatNOGS network. Since then, the receiver has been receiving many different satellites, including APT images from NOAA 15, 18 and 19.
Continue reading “Daily NOAA weather satellite images”
Back in December 2016, Shaun Whitehead of ThumbNet sent me of their new rtlsdr-based N3 Nongles but I was too busy to do anything serious with SDR. Now that I got a 137 MHz turnstile antenna up for testing I had an obvious opportunity to try it with the weather satellites.
Continue reading “NOAA-19, Meteor-M N2 and the Thumbnet N3 SDR Nongle”
Tonight I tested the turnstile antenna and Airspy on the Meteor-M N2 LRPT downlink signal. It was a good, high elevation pass and it looks like the signal is strong enough to decode the transmitted images.
Continue reading “Meteor-M N2 LRPT downlink”
Some time ago I got a 137 MHz turnstile antenna from Jørn OZ6TA. We decided to build an automated NOAA weather satellite image receiver using a modern SDR device. He also had an Airspy he wasn’t using and so it became the SDR radio we were going to use for this.
Continue reading “My first weather satellite images with a 137 MHz turnstile antenna”