From: [email protected] [mailto:[email protected]]
Sent: Monday, December 15, 2003 9:07 AM
To: [email protected]; [email protected]
Subject: RE: E-field drop off with distance (1-30MHz)
lain,
this can be calculated (I can send you the formulas) or simulated with NEC. If
you give me dimensions of a "typical" house wiring antenna I can run some
simulations and see how the e-field goes. As far as a real test, you can drive
some RF into an AC socket and take field strength measurements. One way or the
other, when you are >1/2 wavelength from the building you will be in the 1/r
region.
That is, unless you are near the power feed to the house, or you are near the
driveway lights, or you are near the cable TV coax lines, or.....
Ed
Ed Price
[email protected] WB6WSN
NARTE Certified EMC Engineer & Technician
Electromagnetic Compatibility Lab
Cubic Defense Applications
San Diego, CA USA
858-505-2780 (Voice)
858-505-1583 (Fax)
Military & Avionics EMC Is Our Specialty
