Introduction When working with SDR# on Windows, I can save reception data using either the ‘Baseband: Simple Recorder’ or ‘Audio: Simple Recorder’. In either case the files can be opened and manipulated in Audacity because they have a .wav file extension. The Baseband files have a sample rate equal to the Rx samp_rate and the… Continue reading Trimming SDR IQ Raw Data
Author: Jeremy Clark
Jeremy Clark is a Senior Telecommunications Engineer and Advanced Amateur Radio Operator VE3PKC. He is the author of E-Books on Telecommunications, Navigation & Electronics.
NanoVNA for 2m/70cm 3dB Antenna Coupler
Introduction Recently I have been working with receiving various weather and cube satellites. I decided it would be worthwhile to improve reception from my home location by combining various different types of antennas. To this end I purchased an RF combiner/splitter which I will test with the NanoVNA. Measurement Setup Figure 1 shows the test… Continue reading NanoVNA for 2m/70cm 3dB Antenna Coupler
CubeSat ENSO on GNURadio
Introduction This past summer I was able to successfully receive Cubesats EIRSAT-1 and Veronika (Ref.1/6). Both Cubesats have since decayed from orbit according to the SatNOGS database. Looking through the gr_satellites supported Cubesats, I noticed that ENSO was operational having been launched recently in 2023. ENSO or ROBUSTA-1E is a 1U Cubesat developed by the… Continue reading CubeSat ENSO on GNURadio
Raspberry Pi4B for Air & Marine
Introduction Every six months or so I like to reload the RPi4B OS to see what changes have occurred. Recently I installed the Debian Trixie 64bit version and am very impressed. All the software that I commonly use installed well with no glitches. I did notice that when using the RTL-SDR and GNSS receiver I… Continue reading Raspberry Pi4B for Air & Marine
RTL-SDR for Satellite Weather – GOES EAST
Introduction Last week I revisited receiving GOES16 which I had initially done several years ago (Ref.1/7). GOES16 has now been replaced by GOES19 and is also called GOES EAST (Ref.8). I saved the received signal as a baseband IQ file and later decoded with SatDump. In this video I will synchronously receive/decode the signal with… Continue reading RTL-SDR for Satellite Weather – GOES EAST