Gentlemen, Chris is right -- the magnet must remain stationary. I =
am living=20
proof. Dr. Peters might escape the common pitfalls in his unique lab =
situation=20
but the "common people" are not going to be that lucky. To name some of =
the=20
things that will distort your data that you probably haven't seen. 1.=20
electromagnetic rays from commerical transmitters such as CB's going by =
in cars=20
200 ft away. Amateur radio equipment as high as 2 meters and with a =
power of=20
less than five watts causes "episodes". I ran a ten meter repeater here=20
(transmitter put out 250 watts) for 25 yrs but seismology put an end to =
that. My=20
transmitter for operation on all bands below ten meters puts out 100 =
watts and=20
the antennas are full sized. I still could distort the data. 2. the =
normal=20
things (that Chris always alludes to); motors, fan blowers, even =
carpenters=20
using portable generators 3. lightning 4. incoming power line noise -- I =
had my=20
line check and you wouldn't believe what was there 5. finally, I am =
absolutely=20
sure that I detected the magnetic disturbance within a megacell =
thunderstorm=20
that brought a F3 tornado within nine miles of my location two years =
ago. Here=20
is one reference (not the best)
http://www.str=
aightdope.com/classics/a1_166b.html .=20
The public was urged to use this method in the early days of =
TV before=20
cable and modern tuners -- probably before most of you were borned. =
It has=20
no value today. 6. sun spots - the last two cycles haven't really been =
"the=20
best". Plus there are solar flares. They come and are gone. Oh, yes, I =
even=20
tried metal mesh screening with magnets on the screens to help shield. =
My words,=20
take the road most suggested.