ORIGINAL: SoCal GliderGuider
Actual gound level test has resulted in 0.7 miles before serious glitching. See:
[link=http://www.flyingcirkus.com/forum/Flew_and_Biff-_tested_JR_Spread_Spectrum/m_96209/tm.htm]Crikus Report[/link]
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That shows range should be ample for a larger sport model...........just so you leave the model sitting on the ground.
Abel