About DL7YC

FIRST EVER SUCCESFUL 2-way 76GHz EME QSO at April, 22, 2026 !!!!

The 8.2 Watt RF signals @ 2.4m gregorian dish tranmitted to the moon by RW3BP
were answered by the 5.0 Watt RF @ 2.4m PF dish signal from DL7YC
 
QRV 47 GHz EME since 2021:  2.4m dish / 42Watt TWTA / 1.3dB NF preamp
2022 47GHz EME  DC7KY -  DL7YC Germany FIRST ever 47GHz EME
2024 47GHz EME   VE4MA - DL7YC  Germany - Canada FIRST
2024 47GHz EME   RW3BP - DL7YC Germany - Russia FIRST
2024 FIRST ever handmade EME CW QSO @47GHz between RW3BP -DL7YC
2025 47GHz EME   JA1WQF - DL7YC Germany - Japan FIRST / EUROPA - ASIA 47GHz QSO FIRST ever
2025 47GHz EME   CT1BYM - DL7YC Germany - Portugal FIRST
 

Born 1944 in Berlin, Germany. Amateur Radio since 1969 starting as DC7CW.    DARC member / DOK D12
License at starting point only valid for 144 MHz and up. Later I received a general license including CW and shortwave operation with full power (DL7YC).
QRV now with large tropo arrays and high power on all bands from 23m Band to 76 GHz, but mostly active in contests only from 23cm - 1.2cm Tropo, also 24 GHz, 10 GHz rainscatter and 47 and 76 GHz EME or portabel.
QRV EME 432 MHz first time 1979 (DL7YCA) until 1988 and again from NEW home QTH (DL7YC) since 2001. WAC 432 MHz.
Also QRV from home qth JO62pk90 :
EME with 4.9m PF mesh dish: 1296 MHz /350 w SSPA
EME with 2.4m precision prime focus dish:
10368MHz (TWTA 90w at feed - worldwide worked EME 92 different stns / total 111 squares)
24048MHz (TWTA 45w at feed - worldwide worked 26 different squares),
47GHz (6mm) TWTA > 42w at feed / 1.3 dB NF / CT1DMK feed....... heard 2021  W5LUA, and 1st QSO with DC7KY in 2022, QSO in 2024:
VE4MA, RW3BP, JA1WQF (EU-ASIA FIRST), CT1BYM (all FIRST GERMANY)
 in 2024 WORLD FIRST 47 GHz EME CW QSO with RW3BP (529 / 539 )
DL7YC was heard by W5LUA, CT1BYM, EA3HMJ, EB3FRN, UR3VKE, OK1DFC, DL0SHF (DL3WDG), DC1EHG (PA0EHG), IZ0JNY
47 GHz basic data: >14db Sunnoise / >1.5.....1.7 dB Moonnoise;
76GHz (4mm) 2.4m dish / RX: 2.5dB NF: 9.8dB Sunnoise  /1.15 dB Moonnoise average (depending on new/full moon and/or perigee or apogee) TX : 5Watt @ feed (76.032 MHz)  With stepper motor movable TX / RX at focal point
QRV with 1.3m offset-dish @ 8420 MHz for deep space objects and spacecraft reception.