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Symbole zawarte są w dwóch równoległych tabelach: podstawowej i alternatywnej. Metody kodowania symbolu: /$ lub \$ - kodowanie symbolu w polu informacji ramki packetowej (podstawowy standard).
To embed a symbol in a map, simply make the first four characters of the label be a # followed by the dual symbol character, followed by a hex number from 1 to F that indicates the color for the symbol.
This APRS Protocol Reference document represents the coming-of-age of WB4APR’s baby. Starting with a simple concept — a way to track the location of moving objects via packet radio — programs using the APRS protocol have grown into perhaps the most popular packet radio
Le guide des nouveaux paramètres APRS permet de se familiariser avec les concepts d'opérations APRS pour un maximum d'efficacité et un minimum de perturbations pour les autres stations du réseau. Conforme avec les directives du Working Group APRS, ce nouveau standard
SYMBOLS.TXT Details of all APRS display symbols. (ICONS) ~~~~~ The character after the latitude "N/S" in an APRS position report is a TABLE character and the character following the longitude "E/W" is the APRS symbol character. The TABLE character selects one of two symbol tables or may be used as a numeric overlay over some symbols as follows ...
APRS SYMBOL ATTRIBUTES: One of the most important aspects of APRS is the display of tactical information on maps using symbols for each station. Each such SYMBOL has several ATTRIBUTES that convey additional meanings.
Tables courtesy of Terry Walters, VK4KTP, and images courtesy of Stephen H. Smith, WA8LMF.
