Heathkit IB-1102 Repair & Update - With Nixies! 

Needed a daily driver frequency counter, so picked this up and here's what I had to do to get it cleaned up and properly running reliably.
If, for some reason, you want a really comprehensive analysis of the Heathkit IB-1102, here's the definitive video from youtuuba I recommend:
• Heathkit IB-1102 Frequ...
A 4-part debugging video of the IB-1102, this 4-part video
from IMSAI Guy is also worth a look:
Pasrt 1 of 4:
• #1304 Heathkit Frequen...
Enjoy!