Crystal Radio Coil
Portable crystal radio using a loop antenna
Crystal radios
My New Favorite! Crystal Radio with Antenna Tuner - YouTube
Homebuilt Crystal Radio Drives Speaker
Connecting the Crystal Radio Coil
Engineered Performance Perfect Green Crystal Radio Crystal Tuning Antenna Coil | eBay
Engineered Performance New Large Crystal Radio Crystal Radio Tuning Antenna Coil | eBay
Jim
Bizarre crystal radios
Figure 1: start winding the coil like this
Connecting the Crystal Radio Coil
Crystal Radio with Loop Antenna
Peebles Project Pages – Homemade DX Crystal Radio
Some confusion on basic antenna theory and crystal radio antenna - Electrical Engineering Stack Exchange
High Sensitivity Crystal Set
5m Litz wire, 0.04mm x 1162 strands, crystal radio coil loop antenna, 1162/46 | eBay
File:Crystal radio tuning coil.jpg - Wikimedia Commons
8 Band Crystal Radio (Project Ultra)
Vintage Radio / Crystal Radio Coils / Antenna Coils ? | #135349868
Tuning Coil Construction High Selectivity Crystal Radios
Jim
ferrite antenna 350uH coil crystal radio AM MW
