Here is a collection of technical and reference notes I find handy from around the Internet. I’ll add to this list from time to time so keep checking back.
Bandplans and a big list of nets
Grounding and Bonding
- Motorola’s R56 – the gold standard document on grounding (.pdf)
- The ARRL Manual on Grounding and Bonding
- US Military’s guidelines on grounding and bonding (.pdf)
- MIT’s document on eliminating ground loops (.pdf)
- K9YC’s slide presentation on station grounding and RFI (.pdf)
Mobile operations
Lightning
- KT9OM’s discussion on lightning protection
- W8JI’s site on lightning grounds
- Polyphaser’s book on lightning protection and station grounds (.pdf)
RFI elimination
- W1HIS’ treatise on ferrite chokes (.pdf)
- NK7Z’s post on using an SDR as an RFI survey tool
- K9YC’s exhaustive document on handling RFI (.pdf)
- K9YC’s article on killing receive noise (.pdf)
- K9YC’s presentation on killing receive noise (.pdf)
- The contesting.com RFI mailing list archives
- The ARRL RFI Book
- ON4WW’s page on seeking and destroying RFI sources
- G3TXQ’s page on common-mode choke impedances
- ARRL’s ‘Sounds of RFI’ Collection
- The ARRL RFI Info Page (Contains links to other resources)
- KA7OEI’s blog post on containing switching PSU noise (warning – involves messing with mains voltage)
- KA7OEI’s blog post on quieting USB car power supply