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Both OTH-B and OTH-SW use HF wave, just not at the same frequency. OTH-SW needed to be next to the coast line because the frequency from 5-15 MHz travel along the conducting sea surfacePE-MIMO has better spatial resolution but also has much shorter range.[ATTACH=full]647906[/ATTACH]
Both OTH-B and OTH-SW use HF wave, just not at the same frequency. OTH-SW needed to be next to the coast line because the frequency from 5-15 MHz travel along the conducting sea surface
PE-MIMO has better spatial resolution but also has much shorter range.
[ATTACH=full]647906[/ATTACH]