The Main Page
Voice Keyers for Icom transceivers
High-performance Up Converter for 0 ... 550kHz
Antennae for 144 MHz
... and lot more.
|Modifications to Various Equipment
Icom IC-740, Icom IC-275A, Icom IC-736
|I Used to Be a Radioofficer
on Ocean-going Ships
Take a look how radio-rooms looked like.
Check the unique collection of distress messages at sea
Photos made at sea
|Long Waves (136 kHz)
Yes, it is a band you can transmit on!
The collection of pictures of variometers.
|Medium Waves (472...479 kHz)|
Download installer for freeware CAT software to control your
|Jirka, OK1ARN/OL4M, OK1RN
It is sometimes difficult to accept it is gone...
Na Kotli 1169
500 09 Hradec Králové
tel: 724 325 188