measuring EMF

Sounds like you'll have better luck chasing ghosts.

There are many radio fields coming into your house. What are you going to do once you measure them?

Tom

perform an exorcism ?

do

Hi Tom,

I am actually beginning to study antennas and there EMF field. I am trying to see if by shaping the antenna, or using different conducting material will increase or decrease the EMF I am producing, and this at different frequencies. SO basically i need a tool that can show me the performance of my antenna.

regards,

Hello,

For that you probably want a signal strength meter, see if you can find a copy of the ARRL antenna book in a library, there should be plans for a few signal strength meters in there. (also many antenna plans)

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Hi Tom,

I am actually beginning to study antennas and there EMF field. I am trying to see if by shaping the antenna, or using different conducting material will increase or decrease the EMF I am producing, and this at different frequencies. SO basically i need a tool that can show me the performance of my antenna.

regards,

You need a field strength meter and some polar plot paper. ( Or computer equivalent)

Tom

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to

Anybody know of a good field strength meter ? model company? I am looking at this one, but it do not look like I can change frequency. Therefore if I am experimenting at 5V & 5Khz and I decide to jump to

lerameur Inscribed thus:

There are plenty of good circuits around, just Google for it, then get one made. The very simplest is just a diode and voltmeter.

I agree with this. No need to spend a lot of money on this project.

Tom