Which Crystal Radio To Build? (4K)

Or maybe which to build FIRST? ;)
We will walk through all the crystal radio types I have built, discuss their pros and cons, level of skill required, construction difficulty, cost, etc.
This is the roadmap I wish I had when I started with crystal radios.



RADIOS FROM THIS VIDEO:
(Diode Radio) World's Simplest Radio    • World's Simplest Radio (4K)  

(Single Wiper) Best/Easiest DIY Crystal Radio - No Batteries, No External Power    • Best/Easiest DIY Crystal Radio - No B...  

(Dual Wiper) My New Favorite! Crystal Radio with Antenna Tuner    • My New Favorite!  Crystal Radio with ...  

(Single Capacitor) Crystal Radio--No More Variable Capacitor Designs?

(Single Capacitor 3D Printed) Crystal Radio--1 Variable Capacitor, 3D Printed (4K)    • Crystal Radio--1 Variable Capacitor, ...  

(Single Capacitor Ferrite Rod) Crystal Radio--Ferrite Coil Model #2    • Crystal Radio--Ferrite Coil Model #2 ...  

(Dual Capacitor) Crystal Radio, Capacitive Tuning - WORKS GREAT!    • Crystal Radio, Capacitive Tuning - WO...  

Radio Add-Ons
(Wood, brass, stainless Cat Whisker Detector) Crystal Radio DIY Cat Whisker--Wood, Brass, Stainless    • Crystal Radio DIY Cat Whisker--Wood, ...  

(3D Printed Cat Whisker Detector) Crystal Radio DIY Cat Whisker Ver 2.0 Pt 2    • Crystal Radio DIY Cat Whisker Ver 2.0...  

(Antenna Single Capacitor) Wiper Crystal Radio Selectivity Upgrade #1    • Wiper Crystal Radio Selectivity Upgra...  

(Dual Capacitor Upgrade) Crystal Radio Wiper-Type Selectivity Upgrade #2    • Crystal Radio Wiper-Type Selectivity ...  

CHAPTERS
00:00 Introduction
00:17 Judging criteria
01:24 Diode Radio
02:54 Single Wiper Basic
04:57 Dual Wiper
06:44 Single Capacitor & Single Capacitor 3D Printed
08:15 Single Capacitor Ferrite Rod
09:34 Dual Capacitor
10:50 Radio Add-Ons--Wood, brass, stainless Cat Whisker Detector, 3D Printed Cat Whisker Detector, 12:06 Antenna Single Capacitor, Dual Capacitor Upgrade
13:04 Summary
13:15 Rankings / My Thoughts