EFHW Antenna Parts

After building my first dipole, the versatile 40m end-fed half-wave was my next antenna project. Here are some parts I’ve tried for those. Thanks to KI5NPL and MM0OPX for the inspiration here.

ItemNotes
Fair Rite 2643251002According to MM0OPX this is the one to go with for 100W. I haven’t personally tested these.
140-43 FerriteI used this one initially because it was inexpensive, and didn’t realize it was probably a bad idea to use with my 7300…
240-43 FerriteThe most popular core for high power
100pF 3kV SL Capacitor