Author Archives: pa3weg

ADS-B receiver with paper cup as radome. The radome was soon replaced with a transparent one from the Albert Heijn radome shop ;)  

Both transmissions at 0900 and 1200 UTC were successful, and the MP3s can be found here: recording of the 0900UTC transmission recording of the 1200UTC transmission

recording of PW-SAT

It has been quite a while since the last update. A lot has happened in the mean time. Apart from my fulltime job in the space business as RF designer, I’m also still involved in AMSAT-UKs FUNcube project. I’m designing, … Continue reading →

For some time now, the PA3WEG.NL server has been hosted on aprs.pa3weg.nl in Delft, while te main server is down due to a faulty harddisk. I’ve replaced the backup on this server, so everything should be working apart from database … Continue reading →

Today, SAQ will transmit on alexanderson day. Transmissions will be at 17.2kHz at 09:00 UTC and 12:00 UTC in CW and can be followed through the websdr The 09:00 UTC transmission was successful and received S9++ in Delft. An MP3 … Continue reading →

After functioning 30 years on the roof, the Active nordholt antennas used for the WebSDR receiver failed. One failed during repositioning of the supporting masts, and one did shortly after. If the large RADAR next to the antennas former place … Continue reading →

I finally got the two VLF antennas off the roof. TU Delft decided to change the roof lock without notifying all the keyholders. Nice job…. The small Nordholt has been damaged by water ingress. When I opened the case, water … Continue reading →

The WebSDR server now temporarily acts as a mirror for the CAMRAS server. More than 140 listeners tuned in to this backup system, as the primary server has a user limit of 170 due to network contraints.