Kanal von MegaOscarVideos from Germany presents a two-part video comparision of the Funcube dongle and a RTL-SDR DVB-T dongle, in this case a Hama Nano version. The two devices are connected to the same antenna and using identical test systems from a geostationary INMARSAT satellite to compare received signal to noise ratios (SNR).
Here in Part II Kanal compares reception of identical test signals from geostationary UHF military satellite downlinks in the 240 – 270 MHz range to compare received signal to noise ratios (SNR). The test was conducted with the two devices connected to the same antenna with no preamp.
Kanal reports: “Most of these satellite downlinks are encrypted data links except for the illegal Pirates from Brazil or occasionally other unintended uplinks or harmonics making it into the uplink.”
“The FCD was used ‘live’ in these videos while the DVB-T IQ stream (1MHz bandwith) was prerecorded a few minutes before the video in order to avoid having to switch the dongles and reconfigure software back and forth and thus save some time in the video.”