Homebrew DCF-77 Transmitter
DCF77 Receiver-Module Radio Time Clock Antenna Microcontroller Replacement Tool - Walmart.com
Elektor Article: DCF77 Emulator with ESP8266 - Electronics-Lab.com
An active DCF77 antenna
amplifier - Ferrite rod antenna for DCF77 simulator - Electrical Engineering Stack Exchange
DCF77 Signal with Arduino – Mohammad Forgani – (Forghanian)
Discrete DCF77 receiver with transistors
No Signal For Your Radio-Controlled Watch? Just Make Your Own Transmitter | Hackaday
DCF77 AM direct receiver with an OpAmp and ATtiny25
DCF77 Amplifier/Diplexer
DCF77 Preamplifier - EEWeb
DCF77 AM Superhet Receiver
DCF77 Amplifier with integrated overvoltage protection BLV
Indoor Antenna DCF77 AI01
Circuit board for DCF77-Receiver with Signal level meter - Share - PCBWay
Circuit board for DCF77-Receiver with Signal level meter - Share - PCBWay
JHEUAYK DCF77 Receiver Module Radio Time Module Radio Clock Radio Module Antenna
DCF77 direct receiver amplifier with TCA440
