Check out these RTL-SDR images:
Gqrx receiving NOAA-15 weather satellite
Image by csete
Gqrx SDR receiving NOAA-15 APT transmission using the EzCAP eztv666 RTL-SDR and a handheld ArrowII antenna.
Gqrx 2.2 RC on Mac OS X
Image by csete
Testing Gqrx 2.2 release candidate on Mac OS X using an RTL-SDR dongle