help stable

[folharin]

need help to stabilize my detector vlf wave.tests with coil stop is good, moving coil random beeps...
coil is firm with resin, cable is an old fisher, solds ok.what can be done?

[Koala]

need help to stabilize my detector vlf wave.tests with coil stop is good, moving coil random beeps...
coil is firm with resin, cable is an old fisher, solds ok.what can be done?

Could be a few things

Ground balance not right. Try different settings

Coil shield not working correctly. Normally a lot of chatter.


Are the most likely