[Heathkit] CW filter in a SB-310

[Precision Carburetor DP]

Here is a link to the SB-310 manual.  It show the installation of the
accessory filters.

 

http://ebaman.com/index.php/remository/Home-Electronics/Heathkit/S/Heathkit-
SB-310-Receiver-Ebaman.pdf/

 

Here is a link for SB-310 Mods.

 

http://ebaman.com/index.php/remository/Home-Electronics/Heathkit/S/Heathkit-
SBA-310-3-Mod-Ebaman.pdf/

 

 

73.

Jerry

W2JI