I measure the earth resistance by inserting an RF bridge between the bottom end of the loading coil and the earth connection. Then I tune the aerial/earth system to resonance in the LF band. The brid
You can do it that way Bryan you just have to reverse the croc clips quickly !! :-)) Cheers de Alan G3NYK -- Original Message -- From: "captbrian" <[email protected]> To: <rsgb_lf_group@blacks
Got it . Thanks both. You meant tens of metres - I thought 10s was ten times an algebraic symbol s and didn't know what s represented LOL !! Its the temp. here that fries the brains. Guess who tried
Hello Bryan, The earth resistance is frequency dependent. Measurement at 50Hz says nothing about the value at 137kHz. For more info consult ON7YD's web site: http://www.qsl.net/on7yd/136khz.htm. I me
Hello Bryan, Yes. 10s is twenty or thirty meters. I designed and built a bit of kit for the purpose of doing some archeological ground resistance surveys, (although in the end we were able to use pro
What does s stand for as in 10s of meters ? *(Presumably metres)* I thought distance apart made no difference in homogenous soil ? Bryan (Floating in a boat on sea-water ) . However I got similar rea
Hi Uwe, It is usually recommended to avoid harmonics of the power line frequency. This avoids mains earth-return currents affecting the reading. Also a 4 probe method, with two outer probes deliverin
