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Powerpoint slides (in PDF format) from W9LW's club presentation on IMO SKYWARN Quadrant Two radio/net operations. Includes lists of online resources valuable to spotters.

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Radio programming instructions for all Indiana D-STAR repeaters. Provided by W9ICE via the Indiana D-STAR Yahoo! grop.

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File description by Al Burke, WB9SSE:

The map shows the predicted received signal power level from the D-STAR repeaters as a function of location. The color depicts the available signal power one would expect with a unity gain antenna in unobstructed line of site of the repeater's antenna. The signal power-color scale is along the bottom of the page. The map shows predicted signal power levels for the six D-STAR machines in Indiana, and obviously, their signal footprints overlap.

As a practical matter, if one is on the ground in the open with a handheld with a rubber ducky, you should be able to hear a D-STAR node if you’re out to the areas indicating a signal power level of about -80 to -90 dBm (green to orange areas). If you have a vehicle-mounted antenna, I would expect you could operate out to around -100 dBm (orange-ish-purple-ish areas) and if you have an antenna up in the air, say 30 feet or so, I would expect you'd be good to -110 to -120 dBm (purple-ish -white areas) depending upon the antenna's gain and the feed line loss.

If you assume a hand-held / mobile rig with an output of 5 watts, the path from hand-held / mobile back to the repeater would experience about a 5 dB degradation on the return path as far as the Fort Wayne repeater is concerned. I don't know what the degradation would be for the other repeaters shown on the map.

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Suggestions on programming D-STAR radios for use with the W9TE D-STAR repeater.

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Instructions on how to register with the W9TE D-STAR gateway, a necessary step to use the W9TE D-STAR repeater.