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28. September 2023
The latest:
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  • TO8FH Mayotte
  • SR9DD radio amateur converter to 23 cm
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kv

HF discussion forum, KV, is the frequency range lower than 30 MHz. Radio amateurs have several bands in them. At the same time, each one differs in the ways of signal propagation, many times also with antennas or technology. The dominant shortwave modulations among radio amateurs are CW telegraphy and SSB phone. However, digital modes such as RTTY are also important, PSK or FT-8.

Tuvalu - vlajka
Digital modes DXbulletin LF+HF 

T22T – Tuvalu

4. September 2023 om0aao 0 Comments CW, DX, FT8, kv, QSL, SSB

Rebel DX Group is preparing DX expedition T22T - Tuvalu. The operation is planned from 21. September to 9. October 2023. V

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Uganda
Digital modes DXbulletin LF+HF 

5X3K Uganda

7. August 20237. August 2023 om0aao 0 Comments antenna, CW, DX, FT8, kv, QSL, RTTY, SSB, amplifier

Peter OK1BOA and OK1FCJ together with David OK6DJ at the turn of September and October 2023 are preparing a 5X3K DX expedition to Uganda.

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Mapa Európy, Afriky a Ázie
Digital modes DXbulletin LF+HF VHF+SHF 

1A0C 2023

25. July 202325. July 2023 om0aao 0 Comments 6m, CW, FT8, kv, QO-100, QSL, RTTY, satellite, SSB

From January 1 1982 the prefix 1A started to count towards DXCC. Not among the most sought after high priority entities for DXCC, but

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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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Svet
DXbulletin LF+HF VHF+SHF 

4100QO – 4U1A

16. May 202317. May 2023 om0aao 0 Comments kv, QO-100, satellite, vkv

DX-Adventure is proud to announce a partnership with the United Nations Amateur Radio Contest DX Club (ARCDXC). During 18 / 19 / 20.

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Divoký kôň
DXbulletin LF+HF VHF+SHF 

CY0S – Sable

3. March 2023 om0aao 0 Comments antenna, DX, EME, kv, QSL, satellite, vkv

Sable Island in the Atlantic Ocean is located approx 175 kilometers from the coast of the Nova Scotia peninsula. As a result of erosion, the island is changing

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Nový stožiar OM0ET s hexbeam anténou
LF+HF Projects, Mods, Fixes and Add-on's 

How to build an antenna mast with a hexbeam antenna – OM0ET

20. January 202320. January 2023 om0aao 0 Comments antenna, kv

Paľo OM0ET documented the construction of an antenna mast with a hexbeam antenna – two months of work in a 37-minute video:

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WSJT-X verzia 2.6
Digital modes Software 

WSJT-X 2.6

11. January 202311. January 2023 om0aao 0 Comments EME, FT8, kv, meteor scatter, vkv

WSJT-X version 2.6 offers eleven different protocols or modes: FST4, Zimbabwe flag, FT8, JT4, JT9, JT65, Q65, MSK144, WSPR, FST4W a

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CQV-SWR120 digitálny merač výkonu a PSV
LF+HF Reviews 

CQV-SWR120 power meter and PSV meter with alarm

3. January 20239. January 2023 om0aao 0 Comments antenna, antenna tuner, power amplifier, kv, amplifier

The CQV-SWR120 is a digital power and standing wave ratio meter (PSV) in the range of 1.8MHz-54MHz. Full color 240 x 240 pixel LCD display

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Plošný spoj
Ham information Projects, Mods, Fixes and Add-on's 

YouTube Channel OK1IF

19. September 202219. September 2022 om0aao 0 Comments antenna, CW, Elecraft, kv, receiver, SDR, SSB

Milan's OK1IF blog is certainly read by many radio amateurs. It is full of inspiring experiments. OK1IF blog http://ok1if.c-a-v.com However, few seem to have noticed, that

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Dátové konektory TRX-DUO SDR transceiver-a
LF+HF Reviews Projects, Mods, Fixes and Add-on's 

TRX-DUO SDR ZYNQ7010

14. September 202211. October 2022 om0aao 0 Comments kv, receiver, remote station, SDR, TCVR

TRX-DUO is an SDR radio, which supports two-channel physical reception and transmission. Uses 2x 16-bit ADC LTC2208 to realize direct sampling

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

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This includes posts, which cannot be included elsewhere…

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Sale – buy – exchange – I donate radio and electronics

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Selection of articles

  • IARU HF World Championship 2022IARU HF World Championship 2022
    In categories: Contesting, LF+HF, QRP  contest, CW, SSB
    The top competition takes place on the second weekend of July, IARU HF World Championship. For a year 2022 so it's July 9-10. He competes in ...read more
  • QRP meeting in VrutkyQRP meeting in Vrutky
    In categories: Ham information, QRP
    For practical reasons, we changed the meeting place QRP, which will be on Saturday, May 24, Vrutkach. The flood was the meeting place in ...read more
  • Perseidy 2022Perseidy 2022
    In categories: Digital modes, VHF+SHF  meteor scatter, vkv
    One of the most popular meteor showers of the year is coming! Meteor showers are forming, when Earth passes through debris flows, left behind by comets ...read more
  • How to renew an amateur radio license?How to renew an amateur radio license?
    In categories: Ham information
    Photo Borovce, Photo Borovce://Photo Borovce. Photo Borovce ...read more
  • Result list Microwave races 2008Result list Microwave races 2008
    In categories: Contesting, VHF+SHF  vkv
    Category: 1.3 GHz, Single Pl. Call Score QSO Aver. Locator ASL ODX QRB Err. % Power Antenna 1. OM5CM 12563 ...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

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SATTECH TV, SAT and measuring technology

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

  • East Kiribati: Sep 1-Oct 17, 2023 -- T32AZ -- QSL via: KH6QJ (B/d)
  • Chatham Is: Nov 9-22, 2023 -- ZL7A -- QSL via: LoTW
  • Honduras: Nov 21-28, 2023 -- HR9 -- QSL via: LoTW
  • Christmas I: Nov. 21-Dec 5, 2023 -- VK9XGM -- QSL via: LoTW
  • Namibia: Nov 16-30, 2023 -- V51WH -- QSL via: DK2WH
  • Laos: Nov 16-27, 2023 -- XW4DX -- QSL via: LoTW
  • Solomon Is: Nov 15-29, 2023 -- H44WA -- QSL via: M0URX
  • Mayotte: Oct 10-22, 2023 -- TO8FH -- QSL via: LoTW
  • Tanzania: Nov 8-Dec 8, 2023 -- 5H3MB -- QSL via: LoTW
  • St Martin: Nov. 26-Dec 8, 2023 -- TO9W -- QSL via: LoTW

Translation

 Edit Translation

RSS Contest Calendar

  • SKCC Sprint
    0000WITH-0200WITH, Sep 27
  • German Telegraphy Contest
    0700Z-1000Z, Oct 3
  • ICWC Medium Speed Test
    1300Z-1400Z, Oct 2
  • OK1WC Memorial (MWC)
    1630Z-1729Z, Oct 2
  • RSGB 80m Autumn Series, CW
    1900Z-2030Z, Oct 2
  • ICWC Medium Speed Test
    1900Z-2000Z, Oct 2
  • ARS Spartan Sprint
    0100WITH-0300WITH, Oct 3
  • Worldwide Sideband Activity Contest
    0100WITH-0159WITH, Oct 3
  • ICWC Medium Speed Test
    0300WITH-0400WITH, Oct 3
  • Phone Weekly Test
    0230WITH-0300WITH, Oct 4

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Recent Comments

  • Gerry ( G3MS on cwcom and QRZCQ) on CW QSO over the Internet - you don't believe it?
  • tool-N on PMR 1/1
  • OM1ARH on LoRa APRS in Slovakia
  • OK1UNL on Diverse reception - interference suppression
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CQ.sk

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

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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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