Aprs is now in its 25st year! Aprs is digital communications information channel for ham radio. The naval academy is a registered user of aprs and winaprs.
And providing relevant information will help the rest of ham radio learn how resourceful aprs can be. Many popular aprs systems, unfortunately, use a constant transmission rate of x packets every y period of time which results in a doubling of qrm (over 480 packets) being generated Aug 24, 2010as shown in figure 10, and aprs message addressed to the address of "email" will be picked up by the worldwide aprs system and captured by the sproul's wu2z packet engine and.
This is all just part of the aprs frequency specification that encourages the addition of frequency information in all position packets of significance to improving user-to-user communications. One-way aprs is not normally recommended. Aprstt, (aprs touch-tone (tm)) is an aprs protocol for a two-way dtmf-to-aprs gateway to permit the other 95% of ham radio operators with voice-only radios to exchange information and data with.
The diagram below are some ideas on the ultimate aprs digipeater. Aprs was designed in the 1990 time frame as a digital equivalent to simple voice nets; Aprs was intended for local tactical real-time human exchange.
