Answer: IONOSPHERE
IONOSPHERE is a crossword puzzle answer that we have spotted 7 times.
Referring Clues:
- Radio wave reflector
- Layer around Earth affecting radio waves
- Region 30-250 miles above the earth's surface
- Where the D layer is
- Where the Northern Lights occur
- It reflects radio waves
- Bouncer of radio signals
Last Seen In:
- New York Times - September 18, 2015
- New York Times - April 19, 2013
- New York Times - August 01, 2011
- LA Times - May 13, 2006
- New York Times - January 03, 2003
- Washington Post - March 24, 2002
- Washington Post - October 14, 2001
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