Re: LF: 73kHz beacon/antenna problems

["Tom Boucher" <tom@telemetry.demon.co.uk>]

Jim, M0BMU wrote:

> After lots of 
> experimentation I ended up with only 75% of the original amount of 
> wire I had in the air, but with about twice the original ERP for the 
> same TX power. 
How do you know this Jim? By far field measurements? Surely there can be
no computer programme clever enough to take into account all the factors
you mention like leaves on trees, building proximity etc.

73, Tom G3OLB