OM2TW Station Info

This is my new antenna for 136kHz

 

(Click on the picture to view enlarged)

Operators:

Rich OM2TW and Zuzana OM2YL

Me and my 5 years old son Richard jr.        My XYL Zuzana OM2YL operating in the VHF contest...

QTH: Sered (Slovakia), about 60km from Bratislava - the Capital
Locator: JN88UG
Ex-calls: OL8CTA, OK3TKW, OM3TKW, EA4/OM3TKW, ON9CGR

OM2TW's LF station info

Transmiter: VXO exciter (14041kHz/14189kHz) by DF3LP
Power amp.: 3 x IRF640 in class "D" with 16V power supply
Receiver: Icom IC-761 with 2x500Hz and 2x250Hz CW filters
TX antenna: 135m long wire
RX antenna: the same as TX

HF and VHF Equipments

HF Transceiver:

Icom IC-761

My HF transceiver Icom IC-761

HF Power amplifier:

Homebrew PA, with pair of SRS457 (QB5/1750)

This is my favourite tube SRS457 (QB5/1750)...

...and a big power supply...

10kW transformer 3,7kV / 2,6 A...for solid heavy duty cycle...

VHF Transceiver:

Yaesu FT-221

An old timer on 2m...FT221 CW/SSB/FM transceiver...

VHF Packet station:

Kenwood TM-241E

LF Transmitter:

Home made 150W

Antennas

2200m (136kHz) 170m LW
160m under reconstruction
80m under reconstruction
40m under reconstruction
30m under reconstruction
20m Cushcraft A3S 25m up

An Cushcraft A3S on the roof, up about 25m above the ground...

17m Cushcraft R5
15m Cushcraft A3S 25m up

12m Cushcraft R5
10m Cushcraft A3S 25m up
2m 9-ele. F9FT
70cm 13-ele. F9FT

Other equipments

Computer I.: Siemens Scenic Mobile 510AGP
Computer II.: Siemens-Nixdorf PCD4L
TNC I.: TNC2-MV 1k2
TNC II.: AEA PK232MBX
SWR meter: Diamond SX-100