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28 lines
1.5 KiB
Text
28 lines
1.5 KiB
Text
aprx was originally a receive-only APRS iGate software, now extended to do
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digipeating, and Tx-iGate. It works on any UNIX-like systems with minimal
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requirements of system services, or system libraries beyond basic POSIX libc.
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The software is to be installed on a suitable UNIX-like system, and its
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configuration file is then to be adjusted. Then it can:
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* Handle arbitrary number of radio modems connected to itself
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* Optionally relay APRS packets from radio receivers to APRS-IS
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(http://www.aprs-is.net) network
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* Optionally digipeat AX.25 packets with and without APRS NEWn-N
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paradigm rules
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* Optionally relay APRS packets from APRS-IS network to radio channel
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(Tx-iGate)
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This software is intended for very limited resources environment, like small
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embedded-like machines barely able to run the operating system with TCP/IP
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networking.
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A receive-only Rx-iGate does not need any sort of licenses in most parts of
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the world where radio amateur hobby is permitted to begin with.
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On version 2, aprx has gotten the ability to do APRS Digipeater function,
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Aprx Tx-iGate, as well as a variation of that called Viscous APRS Digipeater,
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which is an excellent choice for a Fill-In digipeater like on a mobile
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station. Viscousness means that it will listen for other copies of same
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packet for a small configurable number of seconds, and if it hears same
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packet only once, it will do normal digipeating for it.
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aprx can optionall be used with soundmodem in place of a hardware TNC.
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