[Lowfer] Core material on monitor cables

[Paul Daulton]

Andy I think you have one of the AADE inductance meters. Download MINI 
RING CORE CAlCULATOR if you dont already have it. You can wind say 10 
turns , measure that , and input the dimensions in the MMRC program and 
it should tell you what the core material is. 

Back about 20 years ago I dumped all the cores from my part drawers and 
ordered a supply of amidon cores from a good source. Woo HOO all of a 
sudden my projects started working , Wonder why. BAck then we didnt 
have the tools available now. Computers probably have a lot of good 
cores if we just knew what they are. 

Quoting Andy - KU4XR <ku4xr at yahoo.com>:
> Hi all:
>
> Can anyone tell me what type of material the cores are that
> you find on monitor cables, older printer cables, inside TV's,
> and monitors that the wires run thru. They are black, and about
> 2/1-2 inches long, and about 3/4ths inch in diameter. 
>
> Secondly; would they be useful as core material to use at LF/MW
> for receive purposes. chokes, baluns, isolation transformers ??
>
> Thank you for your input;  **  73 to all  **
>
>
>
> Andy - KU4XR - EM75xr - Friendsville, TN. 
> LOWfer Beacon " XR " @ 185.29866 KHz ( QRSS-60 )
> Coordinates:  N:  35* 43' 54" - W:  84* 3' 16"
> http://www.myspace.com/beaconxr
> http://webpages.charter.net/ku4xr/
>
>
>
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Paul Daulton K5WMS
beacon WMS 185.302 khz qrss30/slow 24/7
Jacksonville,Ar 72076
em34wu