DCF77 Amplifier/Diplexer
Discrete DCF77 receiver with transistors
DCF77 time signal emulator by Raspberry Pi Zero WH - Raspberry Pi Forums
DCF77 Signal with Arduino – Mohammad Forgani – (Forghanian)
Active DCF77 antenna
DCF77 Amplifier/Diplexer AV5
Circuit board for DCF77-Receiver with Signal level meter - Share - PCBWay
Circuit board for DCF77-Receiver with Signal level meter - Share - PCBWay
DL4YHF's Ham Radio and Homebrew Homepage
Active DCF77 antenna
Elektor Article: DCF77 Emulator with ESP8266 - Electronics-Lab.com
DCF77 Preamplifier - EEWeb
Homebrew DCF-77 Synthesizer
No Signal For Your Radio-Controlled Watch? Just Make Your Own Transmitter | Hackaday
DCF77 Amplifier with integrated overvoltage protection BLV
amplifier - Ferrite rod antenna for DCF77 simulator - Electrical Engineering Stack Exchange
DCF 77 Receiver Module Radio Module Radio Clock Radio Arduino Module Antenna DCF1 Clock| | - AliExpress
Discrete DCF77 receiver with transistors
