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Motorola UHF commercial band 470-512 MHz EX600XLS handheld, Garmin Rino 530 GPS/radio, and Motorola XPR7550e UHF 403-523MHz handhelds, on top of a Panasonic CF-53 used to program the Motorola radios. In front of a cheap Lenovo running SDR# (SDR Sharp) software, showing the waterfall for Channel 4 FRS, and where I keyed up the Garmin Rino a few seconds before taking the picture. SDR# is handy for watching swaths of RF spectrum to see what is going on in range of the RTL USB SDR stick and antenna.