WA8LMF Mirror of WB4APR Website - 21 July 2008 APRS DISPLAY OF ACARS

APRS Showing ACARS

(AIRCRAFT COMMUNICATIONS AND REPORTING SYSTEM)

DATE: 1996 time frame!... This screen showed the LIVE positions of commercial aircraft being monitored on the national ACARS frequency of 131.55 MHz. We were using a VHF scanner and a DSP-12 packet TNC for the ACARS decoding and then converting those packets to APRS format for display here. At the altitude of most aircraft, notice that we could hear out 200 miles in all directions.

**javAPRS Commands (Case Insensitive)**
U or D	zooms up/down (you may also use PGup/dn)
L, S, or M	List stations, Show Status or Messages to Java console
CTRL or ALT-click	Centers or Zooms map on clicked location
Arrow keys	scrolls map

We did nothing more with this project. The DSP-12 TNC was very expensive $800 and is no longer available. Since very few people used this TNC, we abandoned this approach.

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The Naval Academy is a registered user of APRS and WinAPRS. The purpose of this web page is to show several applications currently in use at this site and should not be considered as an advertisement or an endorsement of any commercial product.

WA8LMF Mirror of WB4APR Website - 21 July 2008