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OK1CF Czech Republic flag Czech Republic

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Member of the contest station OK1KSO, OK5W;


Club member of FOC # 1729, HSC # 753


Hello and thank you for stopping by.

I Love the hobbie and I am highly fortunate to have been introduced to amateur radio in the late 1960’s, which has been a great joy ever since. Was first licensed in 1972. My previous call sign are OL4AQA than OK1JCW. I have always had an interest in electronics and various sciences. My dad, who has always been involved in electrical troubleshooting, kept me interested in the electronics field. Always something new to learn. I hope to enjoy this hobby forever as it's educational and gratifying.

As a part time job I servicing comunication equipment, primarily ICOM, but also servicing Kenwood, YAESU, Alpha, OM/POWER Amps when workloads permit. I can provide service for most modern comunications equipment, including surface mount technology. I have a fully equipped service bench with state of the art test equipment.

I am primarily focused on 160-10 meter CW operations. I am a very active Dxer. I have 340 (all confirmed by QSL cards) DXCC(live) entities, and a few deleted ones.



CW has always been my preferred mode.(I am FOC member #1729); however I also work SSB and RTTY for ragchew QSO’s and in selected contests. (Mostly under the club CALL sign OK5W). No matter the distance or the duration, every QSO offers the chance to experience the magic of radio and worldwide friendships.

I am one of The Administrative Council of the Czech Radio Club (C.R.C.) as HF manager


I am married and have two daughters, ages 14 and 20.


holky.jpg holky_2.jpg

I prefer QSL exchange via bureau. I strongly believe in the QSL bureau system and I do support it as much as I can. Bureau requests are answered without any delay compared to direct QSL requests. QSL cards can be requested via email.

If you decide to send a card direct, please use the address above.

I post QSO’s to the ARRL Logbook of the World (LoTW), and also am always pleased to send a QSL card direct or via the bureau. A special thanks to all of you that send LoTW and/or traditional QSL’s from so many places all over the world !




My rig

-radio: ICOM IC-775DSP

-ampifier: DRAKE L4B


- 10 m 4el. @ 37 m (boom lenght 6m); design OK1RI
- 15 m 4el. @ 35m (boom lenght 9m); design W2PV
- 20 m 3el. @ 35m
(boom lenght 6m)
- 40 m Long Wire @ 35m 85 m long
- 80 m Long Wire @ 35m 85 m long
- 160 m Long Wire @ 35m 85 m long



W6DU OK1CF                                                           OK1CF W6CF


OK1CF OK2PAY K3EST OK2FD                    OK2PAY K1AR OK1CF

OK1JCW (OK1CF now) in 1972


Thanks for stopping in and hope to talk to you soon on the air!

Good DX & 73,

Karel OK1CF

HF repair Working place.


Stall with lathe, milling machine, drilling machines


Stall with lathe, milling machine, drilling machines


DX Code of Conduct

  • I will listen, and listen, and then listen again before calling.
  • I will only call if I can copy the DX station properly.
  • I will not trust the DX cluster and will be sure of the DX station's call sign before calling.
  • I will not interfere with the DX station nor anyone calling and will never tune up on the DX frequency or in the QSX slot.
  • I will wait for the DX station to end a contact before I call.
  • I will always send my full call sign.
  • I will call and then listen for a reasonable interval. I will not call continuously.
  • I will not transmit when the DX operator calls another call sign, not mine.
  • I will not transmit when the DX operator queries a call sign not like mine.
  • I will not transmit when the DX station requests geographic areas other than mine.
  • When the DX operator calls me, I will not repeat my call sign unless I think he has copied it incorrectly.
  • I will be thankful if and when I do make a contact.
  • I will respect my fellow hams and conduct myself so as to earn their respect.



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