"Trevor Day" wrote in message
...
In message , Reg
Edwards writes
Trev,
Performance is no better and no worse than what can be expected from
any other sort of antenna of about the same physical size and the same
length of feedline. Try it and see.

I once worked 3 miles on SSB, on 160m, in broad daylight, with about
10 milliwatts, on 8 feet of wire lying on the ground, thrown out of a
downstairs window. The ground connection was via 10 feet of wire from
a domestic gas pipe. But I don't brag about it. The credit all goes
to Clerk Maxwell.

As Clerk implied, any bloody thing works.
----
Reg.
You want QRP, Trev, I'll give you QRP. The telemetry transmitters used on
the early TIROS weather satellites delivered only 10 milliwatts, yet they
produced an S9 signal at a 400 mile high orbit at maximum slant range of
1800 miles to the horizon.

I don't know about other TV satellites, but the RCA Satcoms of the late
70s and early 80s used transmitters that delivered only 5 watts at an
altitude of 23,000 miles. (I will have to admit, however, that 5 watts into
its 30 dB dish produced an EIRP of 5 kw.)

Walt, W2DU


----------------------------------------------------------------------------
----