© Christoph Petermann DF9CY 2007/2025

Last Revision: 01 November 2025


DF9CY Station July 2023 (did not change much since)

7 MHz / 14-21-28 MHz

Transceiver : Kenwood TS 590s Shortwave / 50 MHz Transceiver
Amplifier : YAESU FL2100B - 400-500w
2nd Receiver : RFSpace SDR-IQ Receiver
Antenna 1 : 3-Band Dipole 20-15-10m Band at 9.5m height
Antenna 2 : Monoband Dipole 40m Band currently at 9.0m height (currently not up)
Feedlines : H2007 (20m with 0,4dB loss)

50 MHz

Transceiver : Kenwood TS 590s Shortwave / 50 MHz Transceiver
Amplifier : SSPA TE Systems 0552G - 280w
2nd Receiver : RFSpace SDR-IQ Receiver + Homemade Converter
Antenna : 6 ele G0KSC OP-DES type @12m
Antenna Amp. : Antenna GaAs Fet Amplifier / no function at this moment
Feedline : H2000 (25m with 0.65dB loss)

144 MHz

Transceiver : Flex 1500 + ME2T Pro Transverter
Amplifier : SSPA Mirage B1030G - 330w
Antenna : DK7ZB 9 Element yagi refurbished
Antenna Amp : Antenna GaAs Fet Amplifier NF=0.45 dB (SSB 2m SuperAmp)
Feedline : H2000

Other Info

Rotator : KR 2000 refurbished in January 2025

Tower : Truss elements from concert stage building by "Global Truss" 9m

Power Supply 1 : Switching type 13.8 V - 30A

Power Supply 2 : Switching type 13.5 V - 65A for Amplifiers

Power Supply 3 : Regulated type 12 V - 50A / as backup

137 MHz Weather Satellite

NOAAs are switched off, now receiving Russian Meteor satellites

Receiver : NOOELEC USB (DF2FQ R2FX now obsolete after NOAAs off)
Antenna : RH Circular Crossed Dipole w. Reflector (indoor)
Receiver : Antenna GaAs Fet Amplifier Narrowband

Long- Medium- Shortwave DRM / Broadcast Reception

Receiver : RFSpace SDR-IQ Receiver
Antenna : Simple Indoor Wire Antenna