... 's Effect on Radio Propagation GER3 Thunderstorm Modification of Radio Propagation GER4 Stable Patterns of Electromagnetic Radiation GER5 Unidentified Radio Signals... GER6 The Humming Earth GER7 Polar Radio Blackouts GER8 Around-th e-World Transmission of High-Frequency Signals GER9 Periodic Fading of Satellite Radio Transmissions GER10 Sudden Disappearance of High Frequency Radio Transmissions GER11 Correlation of Radio Propagation Quality with Planetary Positions GER12 Earthquake-Induced Ionospheric Disturbances GER13 Easier Radio Transmission in One Direction than Its Reverse GER14 Radar Dot Angels GER15 Radar Ring and Line Angels GER16 Radar Ghosts Mexico ... MAGIC OF MIRAGES GEM1 Fata Morganas GEM2 Telescopic Mirages GEM3 Lateral Mirages GEM4 Multiple Mirages GEM5 Mirages Sensitive to the Observer's Position GEM6 The Novaya Zemlya Effect GEM7 Illusions of a Flat Earth GEM8 Dynamic Mirages GEM9 Mirror or Reflection Mirages Double Moons Mock Mirages GER RADIO AND RADAR ANOMALIES GER1 Long-Delayed Radio Echos GER2 The Moon's Effect on Radio Propagation GER3 Thunderstorm Modification of Radio Propagation GER4 Stable Patterns of Electromagnetic Radiation GER5 Unidentified Radio Signals... GER6 The Humming Earth GER7 Polar Radio Blackouts GER8 Around-th e- ... CLOUDS GWC1 The White-Sky Phenomenon GWC2 Cloud Arches GWC3 Polar Bands GWC4 Miniature Thunderclouds GWC5 Noisy Clouds GWC6 Noctilucent Clouds GWC7 Ring Clouds GWC8 Thunderclouds Affecting the Ionosphere GWC9 Circular Holes in Cloud Decks GWC10 Anomalous Cloud Lines GWC11 Dispersal of Clouds by the Moon GWC12 The Morning Glory Phenomenon and Other Roll Clouds GWC13 Long, Hollow, Cylindrical Clouds GWC14 Cloud Spokes Radiating from Thunderclouds GWC15 Excess of Ice Crystals in Cumulus Clouds GWC16 Cloud Brightness Changes GWC17 Anomalous High-Altitude Haze Green Clouds [GWH] Bright-Night Phenomenon High-Altitude Layers ...