‰ NOW 30 WPM ‰ TEXT IS FROM JANUARY 2016 QST PAGE 56‰ KEYING OF THE ALS 1306 VIA THE K3 ACCESSORY CONNECTOR. THE FIRST PROBLEM IS THAT THE ALS 1306 KEYING INPUT WAS MEASURED AT 13 MA. THIS IS ABOVE THE 10 MA MAXIMUM KEYING CAPABILITY SPECIFIED BY ELECRAFT FOR THEIR ACCESSORY CONNECTOR. FURTHER, MY LOWER BAND ANTENNA IS A 43 FOOT VERTICAL, SO I USE AN MFJ 998 AUTO TUNER WITH THIS ANTENNA SYSTEM. THE MFJ 998 INTERRUPTS THE AMP KEY LINE WHEN THE SWR IS HIGH OR WHEN THE MFJ 998 IS TUNING, A FEATURE FOUND ON OTHER AUTO TUNERS AND HIGH END SWR METERS. FOR THIS FEATURE TO WORK, THE AMP KEY LINE CANNOT CONNECT DIRECTLY TO THE ALS 1306 BAND DATA AMP KEY INPUT. I BUILT MY OWN VERSION OF A K3 INTERFACE CABLE THAT DOES NOT INCLUDE AMP KEYING, AND ALSO BRINGS OUT THE K3 ALC INPUT. AMP KEYING IS PROVIDED BY A STANDARD PHONO CABLE THAT CONNECTS THE K3 PHONO AMP KEY OUTPUT THROUGH THE MFJ 998, AND THEN ON TO THE ALS 1306 RELAY INPUT JACK. SEE QST IN DEPTH ON THE ARRL WEBSITE FOR DETAILS ON THIS CABLE. PERFORMANCE MEASUREMENTS FCC COMPLIANCE AND IMD TESTING WAS PERFORMED IN THE ARRL LAB, WITH THE RESULTS SHOWN IN TABLE 1. I CONDUCTED SOME ADDITIONAL TESTING AT MY STATION, WITH THE RESULTS SHOWN IN TABLE 2. MY ‰ END OF 30 WPM TEXT ‰ QST DE W1AW ƒ