We found an interesting tip that might just improve the performance of those small affordable handheld ham ... radio the counterpoise (ground) is your own body as you are holding the HT.

Thanks to an innovative open-source project called the KV4P HT, you can transform your Android smartphone into a ...

kv4p HT' is an amateur radio transceiver that can be used in combination with an Android smartphone, and can send and receive voice and text messages. kv4p HT is developed with all open source ...