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What Is Omega  
User currently offlinenovice From United Kingdom, joined Aug 2012, 90 posts, RR: 0
Posted (3 years 9 months 2 weeks 6 days 23 hours ago) and read 3479 times:

"Omega is a long-range global navigation system that uses ground-based beacons and operates in the very low frequency (VLF, 3 to 30 kHz) band using surface-wave propagation"
Can anyone explain what surface-wave propagation is as trusty is of no avail

2 replies: All unread, jump to last
User currently offlinetdscanuck From Canada, joined Jan 2006, 12710 posts, RR: 78
Reply 1, posted (3 years 9 months 2 weeks 6 days 21 hours ago) and read 3447 times:

Quoting novice (Thread starter):
Can anyone explain what surface-wave propagation is

Everything you could ever care to know about Omega:

With respect to surface-wave propagation, Omega works because, at its frequencies, the radio waves "see" the space between the earth surface and the ionosphere as a waveguide and propagate with very little loss or distortion over very large distances. Basically, Omega was tuned to use match the radio-transmission characteristics of the atmosphere so the waves would be contained between the surface and the ionosphere and propagate following the curvature of the earth.


User currently offlinenovice From United Kingdom, joined Aug 2012, 90 posts, RR: 0
Reply 2, posted (3 years 9 months 2 weeks 6 days 19 hours ago) and read 3370 times:

Thanks Tom for that explaination

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