This KiwiSDR can receive up to 32 MHz. There are several school bus frequencies in the 29-31 MHz range that offer local activity. During times of good propagation you can often hear other interesting comms in this area.
Amateur radio (voice comms):
28.300-28.500 - SSB activity (SSB can be heard up to 29.000 MHz)
29.000 MHz (+/-) - AM activity
29.600 MHz - 10 meter calling frequency
29.620, 29.640, 29.660, and 29.680 - 10 Meter FM repeaters
Business/commercial:
You can hear some business use in the 29.710 - 29.790 MHz range and much more in the 30-31 MHz range. Almost all activity is FM mode.
There is a squelch setting in FM mode. Go to the Audio tab and slide it up to around 40 (+/-) until the static stops. When a station transmits the squelch will open and you will hear the audio. If you set the squelch too high you will not hear weak signals.
