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Antennas, radio stations and amateur broadcasting and reception

European Hamradio portal

  • LF+HF
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  • Reviews

QRP

One of the usual amateur radio Q-codes is QRP. Which means? Reduce performance. It is a challenge to achieve a connection with the lowest possible performance. Beyond the upper limit, which represents the QRP power of the transmitter is an agreed level 5 watts.

Yagi DK7ZB pre 20m pásmo
Contesting LF+HF QRP 

CQ World Wide DX Contest SSB Preliminary Results 2024

6. November 2024 om0aao 0 Comments contest, CQ WW Contest, kv, QRP, SSB

The CQ World Wide DX Contest SSB is one of the world's most prestigious radio amateur contests, which takes place every year on the last weekend of October.

Read more...
DF6MH ultraľahká sústava antén
Contesting QRP VHF+SHF 

OM LOW POWER VHF CONTEST 2024

13. July 2024 om0aao 0 Comments contest, QRP, vkv

1) The Slovak amateur radio portal CQ.sk organizes QRP races on VHF, which take place on Sunday the first weekend in August (4.8.2024) from 07.00

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DK7ZB yagi anténa na 144MHz
Contesting QRP VHF+SHF 

Results of the OM VHF LOW POWER Contest 2023

13. July 202413. July 2024 om0aao 0 Comments contest, QRP, vkv

Just in time for the OM VHF LOW POWER Contest 2023 the weather started to change due to the cold front. While the first days of August

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SQUARE SDR
QRP Reviews Projects, Mods, Fixes and Add-on's 

SQUARE SDR

23. May 2024 om0aao 1 Comment receiver, QRP, remote station, SDR

The SQUARE SDR proves that it is possible to create a modern SDR with small dimensions. Its construction includes a printed circuit board with

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Spektrum KV signálov v SDR#
Contesting LF+HF 

CQ World Wide WPX Contest 2024 CW

16. May 2024 om0aao 0 Comments antenna, CQ WPX Contest, CW, diploma, QRP, remote station

The CQ World Wide WPX Contest is one of the most popular radio amateur contests in the world, which is held annually according to CQ rules

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Kenwood TM-455e displej
QRP VHF+SHF 

Invitation to the Winter QRP race at VKV 2024

29. January 20246. February 2024 om0aao 0 Comments contest, QRP, vkv

Mirek OK1DOM writes: “It's winter and that includes the Winter QRP Race. This year the forecast ranges between temperatures

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Kenwood TS-2000 TCVR
Contesting VHF+SHF 

Result list of the Summer QRP race on VHF 2023

18. October 2023 om0aao 0 Comments contest, QRP, vkv

Mirek OK1DOM brings the results list of the Summer QRP race to VKV 2023. In the singles category, Drah OM3CQF did best, competition

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Contestová stanica
Contesting LF+HF QRP 

CQ World Wide DX Contest 2023

18. October 2023 om0aao 0 Comments contest, CQ WW Contest, CW, QRP, SSB

The CQ World Wide DX Contest is coming up, the biggest radio amateur competition in the world. The last weekend of October (SSB) a november (CW) ether

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VKV antény
Contesting QRP VHF+SHF 

Invitation to the Summer QRP contest at VKV

30. July 202330. July 2023 om0aao 0 Comments contest, QRP, vkv

I invite you all to the Summer QRP contest at VKV. This year it will take place on Sunday 6. augusta 2023 from 07:00

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Splitter pre RX antény
Reviews Projects, Mods, Fixes and Add-on's 

Hamparts OK2ZAW

13. July 202313. July 2023 om0aao 0 Comments antenna, kv, preamplifier, receiver, QRP, satellite, SWL, TCVR, vkv, yagi, amplifier

You are missing some electronic items, antenna parts or accessories? You like to make something yourself? Then try https://hamparts.shop Jan OK2ZAW

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R2CW transceiver
Contesting QRP VHF+SHF 

OM LOW POWER VHF CONTEST 2023

10. July 202310. July 2023 om0aao 0 Comments contest, QRP, vkv

1) The Slovak amateur radio portal CQ.sk organizes QRP races on VHF, which take place on Sunday the first weekend in August (6.8.2023) from

Read more...
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Hamradio discussion

HF discussion forum
Include posts related to HF bands here (below 10m)

VHF discussion forum
Include contributions related to VHF bands here (from 6m upwards)

Projects, Mods, Fixes and Add-on's
Questions, answers and ideas for constructions, homebrew, equipment modifications

Miscellaneous Hamradio discussion forum
This includes posts, which cannot be included elsewhere…

Online swapmeet
Sale – buy – exchange – I donate radio and electronics

New topic

Selection of articles

  • Convenient and simple control of the Icom computer transceiverConvenient and simple control of the Icom computer transceiver
    In categories: Software, Projects, Mods, Fixes and Add-on's  HamRadio Deluxe, Icom, TCVR
    He will probably ask who has not tried this thing: “Why control a transceiver with a computer?” However, the benefits of control are indisputable. In addition to entering the frequency from ...read more
  • LAN - connecting computers to the InternetLAN - connecting computers to the Internet
    In categories: Ham information, Software
    For various reasons, you may need to network two computers in a ham shack. It can be the use of one computer on ...read more
  • Z66DX – Kosovo 2020Z66DX – Kosovo 2020
    In categories: Digital modes, DXbulletin, LF+HF  CW, DX, FT8, Icom, power amplifier, QSL, SSB, UCX Log
    A team of operators led by Wolf DM2AUJ is going to Kosovo. They will be active on October 15-28 as Z66DX continuously with three Icom IC stations ...read more
  • CQ World Wide 160m Contest 2024 CWCQ World Wide 160m Contest 2024 CW
    In categories: Contesting, LF+HF  160m, CQ WW Contest, CW, kv, remote station, SDR
    The aim of the CQ World Wide 160m Contest is to enable radio amateurs from all over the world to make as many connections as possible with ...read more
  • Invitation to 4. year of radio amateur meetings of banking 2025Invitation to 4. year of radio amateur meetings of banking 2025
    In categories: Ham information  antenna, CB, kv, SWL, vkv
    Srdečne vás pozývam na štvrtý ročník rádioamatérskeho stretnutia BANKOV, ktorý sa uskutoční v sobotu 21. June 2025 in time from ...read more

OM HAM of the Year

Year 2004
Grad.. Ing. Jaroslav Just
OM3TA, SK


Year 2005
Rudolf Karaba
OM3PC


Year 2006
MUDr.Harry Činčura
OM3EA


Year 2007
Grad.. Ing. Radoslav Gališ
OM6KW


Year 2008
Ing. Jaroslav Kubicek
OM1II


Year 2009
Jozef Ivan
OM3NA (in rememberence)
a
Peter Martiška
OM3PA


Year 2010
Anton Srnka
OM1AEG


Year 2011
Dušan Pavlík
OM2ADP

HF conditions


CQ.sk supports the Moon contest

MOON contest

OK5IM antennas

OK5IM banner

Partners

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SATTECH TV, SAT and measuring technology
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Tags

6m 160m antenna antenna tuner callbook CB contest CQ WPX Contest CQ WW Contest CW diploma DK7ZB DX Elecraft EME FT8 Icom IOTA IOTA Contest Kenwood power amplifier kv meteor scatter N1MM OM9OT OM Activity Contest preamplifier receiver QO-100 QRP QSL remote station RTTY satellite SDR SSB SSB liga sub-regional SWL TCVR vkv WSJT yaesu yagi amplifier

RSS DX expeditions

  • Falkland Is: May 10-Jul 12, 2025 -- VP8DPD -- QSL via: EA5GL
  • Morocco: June 25-Christmas 31, 2025 -- CN2DX -- QSL via: F5LRL
  • St Pierre and Miquelon: Jun 28-Jul 14, 2025 -- FP -- QSL via: LoTW
  • Mozambique: Jul 5-11, 2025 -- C94rc -- QSL via: Club Log OQRS
  • St Helena: Jul 5-13, 2025 -- ZD7TIM -- QSL via: LoTW
  • Grenada: Jul 5-15, 2025 -- J38dx -- QSL via: LoTW
  • The Savior: Jul 6-13, 2025 -- YS3 -- QSL via: LoTW
  • Cyprus SBA: Jul 8-15, 2025 -- ZC4MK -- QSL via: G0kom
  • Benin: Christmas 8-Aug 6, 2025 -- TY5FR -- QSL via: LoTW
  • Belize: Jul 10-14, 2025 -- V31gt -- QSL via: W9HT

RSS Contest Calendar

  • QRP Fox Hunt
    0100WITH-0230WITH, Jul 11
  • NCCC FT4 Sprint
    0100WITH-0130WITH, Jul 11
  • Weekly RTTY Test
    0145WITH-0215WITH, Jul 11
  • NCCC Sprint
    0230WITH-0300WITH, Jul 11
  • K1USN Slow Speed Test
    2000Z-2100Z, Jul 11
  • SKCC Weekend Sprintathon
    1200WITH, Jul 12 to 2400Z, Jul 13
  • IARU HF World Championship
    1200WITH, Jul 12 to 1200Z, Jul 13
  • QRP ARCI Summer Homebrew Sprint
    2000Z-2300Z, Jul 13
  • 4 States QRP Group Second Sunday Sprint
    0000WITH-0200WITH, Jul 14
  • K1USN Slow Speed Test
    0000WITH-0100WITH, Jul 14

Weblink Directory

  • Radio amateur frequencies - how to listen?
  • Amateur radio portals and websites of national amateur radio organizations
  • Manufacturers and sellers of amateur radio equipment

Recent Comments

  • Palo on Increase in SZR member contributions from 2025
  • pablox on Proposal of new licensing conditions for amateur radio stations
  • om0aao on HF DXView online HF propagation map
  • om0amb on HF DXView online HF propagation map
  • Fany Šumperk on FT-817 TX extension

Hamradio portal CQ.sk

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OM VHF LOW POWER CONTEST

  • Results of OM VHF LOW POWER CONTEST 2005
  • Ceny OM VHF LOW POWER CONTEST-u
  • Result list OM VHF LOW POWER CONTEST 2006
  • Ceny OM VHF LOW POWER CONTEST-u 2006
  • Result list OM VHF LOW POWER CONTEST 2007
  • Result list OM VHF LOW POWER CONTEST 2008
  • Result list OM VHF LOW POWER CONTEST 2010
  • Result list OM VHF LOW POWER CONTEST 2011
  • Result list OM VHF LOW POWER CONTEST 2012
  • Result list OM VHF LOW POWER CONTEST 2013
  • Result list OM VHF LOW POWER CONTEST 2014
  • Result list OM VHF LOW POWER CONTEST 2015
  • OM LOW POWER VHF CONTEST 2016
  • Results OM VHF LOW POWER CONTEST 2017
  • Result list OM VHF LOW POWER CONTEST 2019
  • OM VHF LOW POWER CONTEST logs received 2020
  • Results of the OM VHF LOW POWER Contest 2020
  • Results OM VHF LOW POWER CONTEST 2021
  • OM LOW POWER VHF CONTEST 2022

CQ.sk

Thank you for visiting this portal designed for all radio amateurs from OM and OK.

We bring you current information from the amateur radio world, however, we do not want to be narrowly focused on one area, therefore, new articles from each circle will be added to these pages practically daily, which concerns us HAMs.

We would ask everyone, who can contribute their articles, ideas, stimuli, to be actively involved in building this portal. It's not a portal to those, what they created it for, but for all of you.

If you have any questions, please contact the administrator at: admin@cq.sk. Thank you and we look forward to meeting you at the band! 73 by OM0RX and OM0AAO.

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