SOTA summit: Corkscrew, Death Valley, California W6/ND-137 Activation Date: Feb 11, 2018 Unique: Yes Call sign used: W6PNG Portable operation: Yes Radio: KX2 Antenna: LNR EndFed Band/Modes used: 40m and 20m

Initial attempts at Manhattan construction and a Tone Generator
Numerous methods exist to construct circuits including Manhattan that takes its name from the grid like layout you can adopt. As part of my “home-brew”