Preparing the 7m antenna for UNITEC-1

AMSAT OZ staff are preparing the 7 meter dish for tracking the UNITEC-1 interplanetary spacecraft. Related articles: UNITEC-1 Link Budget C-band Receiver Hardware for UNITEC-1 UNITEC-1 5.8 GHz Receiver Test Using OZ7IGY Smaller dish for tracking UNITEC-1 5.8 GHz Helical Feed for the 90cm dish UNITEC-1 Tracking Report

The WBX as full duplex VHF/UHF amateur radio satellite transceiver

One of the reasons I have been very excited to get the WBX transceiver daughterboard for the USRP is that with one single RF board I can have a full duplex transceiver covering both the 2 m and 70 cm amateur radio bands. This is where most of the amateur radio satellite traffic takes place, … Read more

WBX Transceiver Tests using GNU Radio and USRP

This video shows my first on-the-air tests with the WBX transceiver using the USRP (Universal Software Radio Peripheral) and GNU Radio.

The receiver was tested using wide band FM broadcast, APT signal from NOAA 17 satellite and Copenhagen VOLMET. I have also performed some tests using DVB-T signal and wireless sensor signals but I wanted to keep the video short so these were not included. I can post them in separate videos if there is interest.

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The WBX 50-2200 MHz transceiver

It was a good day today. At long last, I have received my WBX transceiver boards for the USRP! I have been waiting for this transceiver board for quite some time now because I didn’t really have and transmit capabilities in the VHF and UHF bands. This board was expected to cover 50 MHz to … Read more

First Impressions of the Arrow II Antenna

I heard about the Arrow II Satellite antenna quite some time ago and even seen a lots of videos about it on YouTube. Unfortunately, whenever I look for an opportunity to get one, I couldn’t find it anywhere in Europe. Until recently, when I learned by a coincidence that Antenna Warehouse is also shipping them … Read more

Apollo 11 Anniversary Event on AO-51

On July 20, AMSAT will mark the 40th anniversary of the first manned lunar landing with a special event on the AO-51 amateur radio satellite. During evening passes in the U.S. and Europe, AO-51 will transmit a message commemorating the event. The message will be transmitted on the 435.300 MHz FM downlink and will contain … Read more