w2aew | #234: Basics of Near Field RF Probes | E-Field & H-Field | How-to use @w2aew | Uploaded March 2016 | Updated October 2024, 5 hours ago.
Near Field RF probes can be very helpful when tracking down sources of unwanted RF emissions or radiation. This video presents the basics of the E-Field and H-Field probes, how they work, and how to use them. Here are some useful links on near field probing, including plans and discussions on how to make your own near field probes:

My show notes pages:
qsl.net/w2aew/youtube/NearFieldProbes.pdf

Good thread on EEVBlog:
eevblog.com/forum/projects/diy-magentic-field-probes

Easy to build H-field probe:
emcesd.com/tt120100.htm

Some additional articles and references:

compliance-club.com/archive/keitharmstrong/emc_testing1.html

edn.com/design/test-and-measurement/4380475/Near-field-probes-sniff-circuits

http://www.eng.mu.edu/~richiej/seminar/aidi.pdf

ets-lindgren.com/pdf/ee_0287_berger.pdf

compliance-club.com/archive/old_archive/030718.htm

Here are the "yellow" probes I used in this video:
beehive-electronics.com/probes.html

There are many references you can find - Google is your friend.