Grounding, lightning and RFI resources collected, and periodically posted, by MyrddinWyllt (a moderator for the Amateur Radio subreddit).

Grounding / Bonding

• The ARRL Manual on Grounding and Bonding
• US Military’s guidelines on grounding and bonding
• Motorola’s gold standard document on grounding
• MIT’s document on eliminating ground loops
• NEC 810 - about grounding
• NEC 820 - about antennas
• NEC Code, 810 is relevant section, requires free login
• K9YC’s slide presentation on station grounding and RFI

Lightning

• KT9OM’s discussion on lightning protection
• W8JI’s site on lightning grounds
• Polyphaser’s book on lightning protection and station grounds

RFI

• W1HIS’ treatise on ferrite chokes
• NK7Z’s post on using an SDR as an RFI survey tool
• K9YC’s exhaustive document on handling RFI
• K9YC’s article on killing receive noise
• K9YC’s presentation on killing receive noise
• 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