<<N/A is displayed when the MCU thinks no KRX3 is enabled>> Thanks, Dick. I have entered ANT=ATU in CONFIG/KRX3. Is there something else I need to do to enable the KRX3? 73, Bob, WO3E -- View this message in context: http://n2.nabble.com/Download-to-KRX3---problem-tp1587180p1589354.html Sent from the Elecraft mailing list archive at Nabble.com.