Labels: text | screenshot | black and white | font OCR: A-LINE-OF-SIGHT PROPAGATION* B-STRAIGHT-LINE PROPAGATION C-KNIFE-EDGE DIFFRACTION D-TUNNEL PROPAGATION A-A BENT PATH THROUGH THE IONOSPHERE B-A STRAIGHT LINE* C-A GREAT CIRCLE PATH OVER EITHER THE NORTH OR SOUTH POLE D-A CIRCULAR PATH GOING EITHER EAST OR WEST FROM THE TRANSMITTER A-SKY-WAVE PROPAGATION B-KNIFE-EDGE DIFFRACTION C-E-LAYER PROPAGATION D-GROUND-WAVE PROPAGATION* A-SIGNALS THAT TRAVEL ALONG SEISMIC FAULT LINES B-SIGNALS THAT TRAVEL ALONG THE SURFACE OF THE EARTH* C-SIGNALS THAT ARE RADIATED FROM A GROUND-PLANE ANTENNA D-SIGNALS THAT ARE RADIATED FROM A GROUND STATION TO A SATELLITE A-TROPOSPHERIC DUCTING B-GROUND WAVE* C-METEOR SCATTER D-SPORADIC E A-MUCH SMALLER* B-MUCH GREATER C-THE SAME D-DEPENDENT ON THE WEATHER A-SKY WAVE* B-EARTH-MOON-EARTH C-GROUND WAVE D-TROPOSPHERIC A-SIGNALS REFLECTED FROM THE MOON B-SIGNALS REFRACTED BY THE IONOSPHERE* C-SIGNALS REFRACTED BY WATER-DENSE CLOUD FORMATIONS D-SIGNALS RETRANSMITTED BY A REPEATER A-SIGNALS ARE REFLECTED FROM THE MOON B-SIGNALS ARE REFRACTED BY WATER-DENSE CLOUD FORMATIONS C-SIGNALS ARE RETRANSMITTED BY REPEATERS D-SIGNALS ARE REFRACTED BY THE IONOSPHERE* A-THE SKIP ZONE* B-THE HYSTERESIS ZONE C-THE MONITOR ZONE D-THE TRANSEQUATORIAL ZONE A-AN AREA COVERED BY SKIP PROPAGATION B-THE AREA WHERE A SATELLITE COMES CLOSE TO THE EARTH, AND SKIPS OFF THE IONOSPHERE C-AN AREA THAT IS TOO FAR FOR GROUND-WAVE PROPAGATION, BUT TOO CLOSE FOR SKIP PROPAGATION* D-THE AREA IN THE ATMOSPHERE THAT CAUSES SKIP PROPAGATION A-DIRECT-INDUCTIVE PROPAGATION B-KNIFE-EDGE DIFFRACTION C-GROUND-WAVE PROPAGATION D-SKY-WAVE PROPAGATION* A-2 YEARS B-5 YEARS C-11 YEARS* D-17 YEARS A-THE 11-YEAR CYCLE B-THE SOLAR MAGNETIC FLUX CYCLE C-THE HYSTERESIS COUNT D-THE SUNSPOT CYCLE* A-THE MORE SUNSPOTS THERE ARE, THE HIGHER THE MUF WILL BE* B-THE MORE SUNSPOTS THERE ARE, THE LOWER THE MUF WILL BE C-THE MUF IS EQUAL TO THE SQUARE OF THE NUMBER OF SUNSPOTS D-THE NUMBER OF SUNSPOTS EFFECTS THE LOWEST USABLE FREQUENCY (LUF) BUT NOT THE MUF A-THE MORE SUNSPOTS THERE ARE, THE LOWER THE IONIZATION LEVEL B-THE MORE SUNSPOTS THERE ARE, THE HIGHER THE IONIZATION LEVEL WILL BE* C-THE IONIZATION LEVEL OF THE IONOSPHERE IS EQUAL TO THE SQUARE ROOT OF THE NUMBER OF SUNSPOTS D-THE IONIZATION LEVEL OF THE IONOSPHERE IS EQUAL TO THE SQUARE OF THE NUMBER OF SUNSPOTS A-YOU CAN NEVER TELL WHAT DIRECTION A RADIO WAVE IS TRAVELING IN B-THESE RADIO SIGNALS ARE EASILY BENT BY THE IONOSPHERE C-THESE RADIO SIGNALS ARE EASILY REFLECTED BY OBJECTS IN THEIR PATH* D-THESE RADIO SIGNALS ARE SOMETIMES SCATTERED IN THE ECTOSPHERE A-YOU CAN NEVER TELL WHAT DIRECTION A RADIO WAVE IS TRAVELING IN B-THESE RADIO SIGNALS ARE EASILY BENT BY THE IONOSPHERE C-THESE RADIO SIGNALS ARE EASILY REFLECTED BY OBJECTS IN THEIR PATH* D-THESE RADIO SIGNALS ARE SOMETIMES SCATTERED IN THE ECTOSPHERE
(.png)
.ISO/tek-20/lanztest.zip/RWPROP.ANS/RWPROP.png)