=  NOW 30 WPM  =  TEXT IS FROM JULY 2023  QST  PAGE 58 =

TRIATHLON COMPETITION THE USMA AMATEUR RADIO CLUB, W2KGY, WAS ASKED TO
HANDLE COMMUNICATIONS DURING THE 2021 WEST POINT TRIATHLON.  THEY HAD TO
SIMULTANEOUSLY TRACK THE FOLLOWING IDENTIFICATION OF AN ATHLETE WITH A FOUR
DIGIT BIB NUMBER LOCATION OF THE ATHLETE ON THE ROUGHLY 12 MILE COURSE
WHETHER THE ATHLETE WAS SWIMMING, BIKING, OR RUNNING WHETHER ANY ATHLETES
REQUIRED SPECIAL ATTENTION, SUCH AS FOR AN INJURY OR BICYCLE MALFUNCTION
POSITION AND STATUS OF RACE OFFICIALS, VOLUNTEERS, AND SERVICE EQUIPMENT
FOR THE RACE TO FACILITATE A FAST, DIGITAL FLOW OF RACE INFORMATION, THE
USMA AMATEUR RADIO CLUB AND THE HUDSON VALLEY DIGITAL NETWORK HVDN, N2HVD,
USED APRSTT.  APRSTT EXPLAINED TOUCH TONE IN THE EARLY DAYS OF RADIO, DTMF
TONES ALLOWED USERS TO ENTER DIGITAL INFORMATION OVER THE RADIO.  THIS
PROTOCOL IS CALLED TOUCH TONE BECAUSE OF THE SHRILL TONE IT MAKES AS A
COMBINATION OF TWO NON HARMONIC AUDIO SIGNALS.  EACH SIGNAL USUALLY
CORRESPONDS TO A DIFFERENT CHARACTER ON A STANDARD KEYPAD 0 THROUGH 9,
POUND, OR ASTERISK.  APRSTT SYSTEM APRSTT USES COMBINATIONS OF THESE TONES
TO ENTER DATA IN THE APRS PACKET FORMAT.  IT IS LIKE TEXTING ON AN OLD
=  END OF 30 WPM TEXT  =  QST DE W1AW  <