***** NOVICE CLASS STUDY GUIDE [ RADIO WAVE PROPAGATION ] *****
QUESTION NUMBER 1
WHAT TYPE OF RADIO-WAVE PROPAGATION OCCURS WHEN THE SIGNAL TRAVELS IN A STRAIGHT LINE FROM THE TRANSMITTING ANTENNA TO THE RECEIVING ANTENNA ?
QUESTION NUMBER 2
WHAT PATH DO RADIO WAVES USUALLY FOLLOW FROM A TRANSMITTING ANTENNA TO A RECEIVING ANTENNA AT VHF AND HIGHER FREQUENCIES ?
QUESTION NUMBER 3
WHAT TYPE OF PROPAGATION INVOLVES RADIO SIGNALS THAT TRAVEL ALONG THE SURFACE OF THE EARTH ?
QUESTION NUMBER 4
WHAT IS THE MEANING OF THE TERM GROUND-WAVE PROPAGATION ?
QUESTION NUMBER 5
TWO AMATEUR STATIONS A FEW MILES APART AND SEPARATED BY A LOW HILL BLOCKING THEIR LINE-OF-SIGHT PATH ARE COMMUNICATING ON 3.725 MHZ. WHAT TYPE OF PROPAGATION IS PROBABLY BEING USED ?
QUESTION NUMBER 6
WHEN COMPARED TO SKY-WAVE PROPAGATION, WHAT IS THE USUAL EFFECTIVE RANGE OF GROUND-WAVE PROPAGATION ?
QUESTION NUMBER 7
WHAT TYPE OF PROPAGATION USES RADIO SIGNALS REFRACTED BACK TO EARTH BY THE IONOSPHERE ?
QUESTION NUMBER 8
WHAT IS THE MEANING OF THE TERM SKY-WAVE PROPAGATION ?
QUESTION NUMBER 9
WHAT DOES THE TERM SKIP MEAN ?
QUESTION NUMBER 10
WHAT IS THE AREA OF WEAK SIGNALS BETWEEN THE RANGES OF GROUND WAVES AND THE FIRST HOP CALLED ?
QUESTION NUMBER 11
WHAT IS THE MEANING OF THE TERM SKIP ZONE ?
QUESTION NUMBER 12
WHAT TYPE OF RADIO WAVE PROPAGATION MAKES IT POSSIBLE FOR AMATEUR STATIONS TO COMMUNICATE LONG DISTANCES ?
QUESTION NUMBER 13
HOW LONG IS AN AVERAGE SUNSPOT CYCLE ?
QUESTION NUMBER 14
WHAT IS THE TERM USED TO DESCRIBE THE LONG-TERM VARIATION IN THE NUMBER OF VISIBLE SUNSPOTS ?
QUESTION NUMBER 15
WHAT AFFECT DOES THE NUMBER OF SUNSPOTS HAVE ON THE MAXIMUM USABLE FREQUENCY (MUF) ?
QUESTION NUMBER 16
WHAT AFFECT DOES THE NUMBER OF SUNSPOTS HAVE ON THE IONIZATION LEVEL IN THE ATMOSPHERE ?
QUESTION NUMBER 17
WHY CAN A VHF OR UHF RADIO SIGNAL THAT IS TRANSMITTED TOWARD A MOUNTAIN OFTEN BE RECEIVED AT SOME DISTANT POINT IN A DIFFERENT DIRECTION ?
QUESTION NUMBER 18
WHY CAN THE DIRECTION THAT A VHF OR UHF RADIO SIGNAL IS TRAVELING BE CHANGED IF THERE IS A TALL BUILDING IN THE WAY ?