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+.TH IBP 1
+ibp \- show which of the International Beacon Project beacons is transmitting
+shows which of the beacons of the International Beacon Project is transmitting
+The following arguments can be used:
+a \fBband\fR expressed either in MHz (14, 18, 21, 24 or 28) or in meters
+(20, 17, 15, 12 or 10);
+if no band is specified, the program starts in multi-band mode.
+a \fBMaidenhead locator\fR (like JO32KF), to be used for the calculation of
+distance and azimuth (both short and long path) to each beacon.
+don't use colour, even on a colour terminal.
+display callsign of active beacon in morse code (not in multi-band mode).
+don't open the X11 window (showing a world map with the beacon locations,
+and short and long paths) even if the DISPLAY environment variable is set.
+This option is only available if X11 support has been compiled in.
+Note: since each beacon transmission lasts only 10 seconds, your computer's
+clock should be set reasonably accurately for the results to be valid.
+.SH THE INTERNATIONAL BEACON PROJECT
+The International Beacon Project is a set of 18 amateur (ham) radio transmitters
+around the world, each of which transmit every 3 minutes on a set of 5 short-wave
+This allows short-wave radio users to quickly assess the current worldwide propagation
+Much more information can be found on
+Pieter-Tjerk de Boer <firstname.lastname@example.org>;
+via amateur packet-radio: PA3FWM @ PI8DAZ.#TWE.NLD.EU.
+The X11 display code is heavily based on the 'sunclock' program by John