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- DEMOS.txt 8.0 QUICK DEMOS OF APRS
-
- Now there is a demo program called APRSdemo.EXE. It will run stand-alone
- and cycle through a scenario of APRS screens and can be used to demonstrate
- just about any capability of APRS. The scenario is in SYSTEM\DEMO-SYS.APR.
- Not only will it display any screen, but it will overlay explanatory text
- boxes on any screen. The DEMO-SYS.APR is the default file, but you can
- save any number of DEMO's under different file extensions and call them
- up at run time as APRSDEMO/my. To customize your own file, just follow
- the format in the existing DEMO-SYS.APR file and rename your file to be
- DEMO-SYS.my.
-
- OVERVIEW: The remainder of this file will give you a quick demo of APRS
- without reading all the README files.. You may read the various .TXT
- files in the README sub-directory using the F1(HELP)-FILES command while
- on-line in APRS. Also check out the APRS WEB page @
-
- http://web.usna.navy.mil/~bruninga/aprs.html
-
- MAPS: To see examples of some good maps, zoom into Idaho falls to see my
- first city digitized to the every street level. See Baltimore and New
- Orelans to see larger cities digitized to the major streets only. See the
- typical 2 mile map that can be produced from the 1:100,000 USGS CD ROM
- data by zooming in to my neighborhood (3909N 07636W) done by KB8JXO. And
- finally see the northern Tennessee map to see the kind of map that can be
- easily generated from the 1:2,000,000 USGS CD ROM using the MAKEMAP1.bas
- program.
-
- MARATHON EVENT: First, run APRS and use FILE-LOAD to load the MARATHON.BK file.
- Hit SPACE to show the position of APRS packet stations at our marathon event.
- Next do a FILE-REPLAY. Select the File MARATHON.HST. You will see 3 GPS jeeps
- at the MC marathon, the lead, lead-handicapped, and tail end Charlie.
- Turn off CALLSIGNS with the C command during REPLAY to keep the screen cleaner.
- Redraw the screen at any time during REPLAY with the SPACE BAR. Also load
- RUNNERS.BK and replay RUNNERS.HST to see another local marathon.
-
- FOOTBALL RUN: To see the Army/Navy game football run from Annapolis to Philly,
- load FBALL.BK, and then REPLAY the FBALL.hst file. During replay, you can
- Re-center the screen with the HOME key and zoom in/out with Pg keys. To speed
- up replay, hit (F)ast. FBALL93.hst is this years run.
-
- AUTOMATIC DOPPLER DF: To see a great demonstration of the N7LUE automatic
- Doppler DF interface to APRS, zoom into Phoenix Arizona, and replay the
- AUTODF.HST file. It shows what the APRS screen looks like as the DF radio
- is tuned to each of three on the air signals in Phoenix AZ. To see a manual
- DFing event, load FOXDF.BK and then REPLAY FOXDF.HST.
-
- OMNI-DFing: To see the potential of the APRS OMNI-DF technique, load the
- DF-OMNI.BK file. Next press the MAPS/PLOTS/DF command to see APRS draw the
- overlapping signal strength contours from each of the omni-df reporting
- stations. Notice that I was the only APRS station, and all of the other
- reports were voice reports that I quickly added to the map with the INPUT-
- ADD command. All of this could be done automatically if there had been
- more APRS stations on that day. (This was the day after I finished the new
- OMNI-DF technique, so no one had the latest version of APRS at the time!)
-
- HF TRACKING: To see the capability of APRS for tracking mobile units, replay
- the Naval Academy boats 93BLOCK1.hst file. Or replay my trip to Alabama over
- XMAS93.HST. To see the number of stations on our HF tracking frequency, use
- FILE-LOAD to load the HF10151.BK file. REPLAY the N2CZFALL.hst file to see
- how Rich used just an 8088 laptop and TNC to report his position as he drove
- from NJ to Florida. He manually typed his LAT/LONG from his highway map into
- his TNC BText!
-
- SPACE AX.25 DIGI's: See SPACE.txt for info on using APRS for plotting
- satellite DX contacts and how to replay the SHUTTLE.HST demonstration.
-
- CHANNEL MONITORNG: Zero memory with FILE-ZERO command. Tune your radio to
- an active packet channel and monitor for 10 minutes. Select the LATEST
- display, and you will see all UI frames (BEACONS) on the channel. If you know
- where these stations are, insert them onto the map and save the file. Rename
- the file to include the frequency for later recall. If no one is beaconing,
- and you get impatient, you can turn off the beacon-Only filter by hitting the
- CONTROLS-OTHER command. Then ALL packets will be collected.
-
- LOCAL AREA: To see where the activity is, and what frequencies are being
- used, load the APRSFREQ.bk or DIGIS.BK files. To see how well your area
- is covered by existing maps, use the FILES-CHANGE command to change the
- default MAPLIST from MAPLIST.USA to either EAS, WES, CEN, AK, SE or TX
- as appropriate for your area. Hit the HOME key to center on the area of
- that MAPLIST and select the MAP-BORDERS command. The outlines of all
- existing maps will be shown. Move the cursor to your area and zoom in
- (PgDwn) to within one of these maps. To move long distances, CTRL-PgUp to
- large scale map, move to your area and then Ctrl-PgDn.
-
- EVERY TNC ON THE MAP: Have a friend place his LAT/LONG in his TNC BText
- as follows: BText !DDMM.xxN/DDDmm.xxW/Comments...
- You will see him appear on your map! He can also just use his Grid Square
- enclosed in Brackets [GRidsq] at the start of his BText. Better yet, give
- him a copy of APRS and Add objects locations to your screens by moving the
- cursor and using the INPUT-ADD command. Send messages using the S command.
-
-
- OTHER IDEAS AND APPLICATIONS: See WX.txt for using APRS in a weather
- reporting net. APRS supports an optional home weather station serial
- input to make your station automatically include WX conditions in your position
- report. See DF.txt for triangulation in fox hunting, and SPACE.txt
- for displaying satellite beacons. Or HF.txt and come join us on the APRS
- HF Boater and RV tracking net. Finally, read the full system documentation
- in APRS.DOC, and start drawing local maps as described in MAPS.txt. There
- is a chess board map in the middle of the Gulf of Mexico at 25N 90W (below 64
- mile scale) to show the flexibility of APRS to use any maps for any purpose.
- Play chess on the air using APRS!
-
- NOW WHAT?! APRS is a human communications tool. Try APRS during weekly
- emergency exercises or events when humans are at their stations. Find a two
- meter freq that is not saturated with BBS's and start an APRS network. In the
- Wash/Balto area we are using 145.79. Please consider using this freq in your
- area to help us build a nationwide mobile tracking network. Encourage periodic
- reporting weather nodes (not the store-and-dump kind) and keyboard QSO's to
- also join your frequency. Anyone with low duty cycle data is welcome, but
- BBS's, file forwarding, TheNET and databases should operate elsewhere! This
- is NOT meant to be discriminatory, it just optimizes the frequency for the
- maximum number of individual real-time users. This is best for all HAMS if
- there is a frequency where human operators can communicate in real-time and not
- only exchange text, but also see the instantaneous network topology.
-
-