Denny Johnson, KD5DLJ, is on the show to take your questions about the DigiComm Cafe and the associated podcast, Radio on the Rocks. The DigiComm cafe is a digital voice connection between many different VoIP formats including EchoLink, DMR, D-STAR, System Fusion, AllStar, and Zello. Denny's "Radio on the Rocks" podcast uses digital voice technologies to interview people in amateur radio, one story at a time.

Be sure to CALL in with your questions and comments by calling 812-650-9556 live during the call-in segment of the show. You can also tweet your questions before or during the show to @HamTalkLive.