> In theory, +3dB gets about 40% range increase; to double
> requires +6dB.
In theory, yes, but your coverage is usually limited not by the
inverse-square law (unless you're really running flea power), it's by
terrain and earth curvature, so in reality, 3 dB increase in ERP usually
provides only a minimal increase in usable service area.
--- Jeff
--------------------------------------------
Jeff DePolo WN3A - [EMAIL PROTECTED]
Broadcast and Communications Consultant
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