Heathkit GD1-B grid dip meter

[Juan]

I need to know the impedance of each one of the coils this dipper to make others. Many thanks.

[chemelec]

I need to know the impedance of each one of the coils this dipper to make others. Many thanks.

I really doubt the impedance is that important, but the inductance definately is important. And they should be wound with an Air Core using a reasonable size wire.

If you have ther origional coils, just test them.