= NOW 13 WPM = TEXT IS FROM JUNE 2020 QST PAGE 58 = LINE PROGRAM THAT WOULD INTERPRET DTMF SIGNALS FROM ANY RADIO AND CHANGE THEM TO ROVER CONTROL SIGNALS FOR DIRECTION AND PULSE WIDTH MODULATION. WINDOWS PROGRAMMING NICOLAS LINDBERGH, KM6HFZ, AND DAVID POOLE, KI7CUN, USED MICROSOFT VISUAL STUDIO TO BUILD A WINDOWS COMPUTER PROGRAM TO CONTROL AND OBSERVE THEIR ROVERS FROM A SINGLE COMPUTER SCREEN. THE COMPUTER PROGRAM GENERATED THE AUDIO OF A CALL SIGN AND DUPLICATED THE SOUNDS FROM THE DTMF RADIO KEYPAD. THE STUDENTS THEN FED THE AUDIO INTO A HANDHELD < QST DE W1AW = RADIO IN VOX MODE, AND THE ROVERS RESPONDED. NICOLAS AND DAVID USED MATHEMATICAL SLOPE AND COMBINATIONS OF TONES TO PRECISELY AND SMOOTHLY NAVIGATE THE ROVERS WITH THE COMPUTER MOUSE. ALL OF THE STUDENTS IN THE COMPETITION USED THE SOFTWARE FROM MISSION CONTROL. PARTNERSHIPS WITH LOCAL SCHOOLS WITH STUDENTS SPREAD ACROSS THOUSANDS OF SQUARE MILES OF THE SONORAN DESERT, TEAMING UP WITH LOCAL SCHOOLS WAS ESSENTIAL FOR THE PROGRAM = END OF 13 WPM TEXT = QST DE W1AW <