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23. March 2023
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Antennas, radio stations and amateur broadcasting and reception

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TCVR

Transceiver (TCVR) is a radio station, which shares common reception and transmission circuits. In the early days of amateur radio, the receiver and transmitter were separate devices, which were controlled completely independently. This was not entirely practical. By combining them into one unit, a transceiver was created.

Amplifiers are typical transceiver circuits, intermediate circuits, filters and oscillators. Many radio amateurs – designers – the transceiver will still build on its own. Others prefer the commercial offer of companies such as Yaesu, Kenwood, Xiegu, Icom, Baofeng, Alinco and others.

sBITX TCVR
Digital modes Reviews Technique 

sBITX – SDR TCVR for constructors

3. February 20233. February 2023 om0aao 0 Comments CW, FT8, RTTY, SDR, SSB, TCVR

Ashar Farhan won the first concession of the year 1982. On this more than 40-year journey through the radio amateur world, there are milestones like BITX, uBITX

Read on...
DXHeat dxheat.com
Software 

Dxheat2flrig

12. January 202312. January 2023 om0aao 0 Comments DX, TCVR

Joerg DJ7NT created a plugin for those, who use the DXHeat DX cluster in a browser window. Dxheat2flrig via W1HKJ software flrig is

Read on...
CATSync synchronizácia WebSDR
LF+HF Software 

CATSync with Open Web RX support

5. January 20235. January 2023 om0aao 1 Comment SDR, TCVR, WebSDR

We already wrote about CATSync by DJ0MY in an older version. What CATSync can do and what it is for? can control any

Read on...
blank
LF+HF Reviews Technique 

Cheap SDR transceiver T41 na 5 band

23. October 202223. October 2022 om0aao 0 Comments SDR, TCVR

T41-EP (aka T41) is a robust 20W SSB and CW SDR transceiver, on which Jack Purdum W8TEE and Al Peter AC8GY

Read on...
SDR Console
Software 

SDR Console V3.2

21. September 202221. September 2022 om0aao 0 Comments receiver, SDR, TCVR, WebSDR

Simon G4ELI published a new version of SDR Console. As part of the ongoing project, part of the code was rewritten with a highly optimized assembler

Read on...
Dátové konektory TRX-DUO SDR transceiver-a
LF+HF Reviews Technique 

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

Read on...
IC-905 VHF/UHF/SHF SDR transceiver
Ham information Reviews VHF+SHF 

IC-905 VHF/UHF/SHF SDR transceiver

20. August 202220. August 2022 om0aao 0 Comments Icom, TCVR, vkv

One of the big three producers of equipment for radio amateurs specified the rumors about the new equipment today. IC-905 by mal byť VHF/UHF/SHF SDR

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Yaesu FT-710 KV+6m TCVR
LF+HF Reviews 

Yaesu FT-710 TCVR

8. July 20222. January 2023 om0aao 0 Comments receiver, SDR, TCVR, yaesu

We're getting used to it, that manufacturers announce news in advance. This is how the Icom IC-9700, for example, was waited for many months. Yaesu also jumped

Read on...
Vypracované odpovede pre rádioamatérske skúšky
Ham information Technique 

Elaborated answers for radio amateur exams

4. July 20224. July 2022 om0aao 1 Comment antenna, antenna tuner, CB, CW, output stage, kv, preamplifier, receiver, SSB, TCVR, amplifier

When preparing for radio amateur exams, it is difficult for interested parties to obtain comprehensible documents, from which they would understand the issues of electrical engineering and radio engineering.

Read on...
Beskydy
VHF+SHF 

SR9US 70cm converter

9. June 20229. June 2022 om0aao 0 Comments antenna, TCVR, vkv

Thanks to the cooperation of Paweł SP9EP, Grzegorz SP9GM, Leszek SP9GOJ, Rafał SP9KH, Waldka SP9AE managed to put into operation a new 70cm converter

Read on...
Obrázok 6 Pripojenie k TCVR - Pohľad z predu
Digital modes Software Technique 

How I ran FT8 III

7. June 2022 om0aao 0 Comments FT8, TCVR, yaesu

In the first article of the series, I described the interface (interface) pre TCVR Kenwood TS-870S, which added another mode to our HAM family. To be continued

Read on...
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Short KV waves
Include posts related to HF bands here (do 10m)

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

Technique
Questions, answers and ideas for constructions, involved, equipment modifications

other
This includes posts, which cannot be included elsewhere…

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Selection of articles

  • Recenzia RTL SDR v3 NEWGENRecenzia RTL SDR v3 NEWGEN
    In categories: Reviews  receiver, SDR, WebSDR
    Receiving various signals via SDR USB devices is very popular. In addition to reception, such a device can be used as an SDR panadapter ...read more
  • Results of the Microwave Race 2004 - IFResults of the Microwave Race 2004 – IF
    In categories: Contesting, VHF+SHF  contest, vkv
    Result of contest: Microwave races 2004 – OM stations Category: 1.3 GHz, Single Thanks for check Log: UR7D. Pl. Call ...read more
  • Evaluation of the OTC SARA Memorial - CW - 2012Evaluation of the OTC SARA Memorial – CW – 2012
    In categories: Contesting, LF+HF
    On Sundays 9. September 2012 the telegraph part of the OTC SARA Memorial hour race took place. The autumn CW part was more attended ...read more
  • Results of the 3rd stage of GLP 2016Results of the 3rd stage of GLP 2016
    In categories: Contesting, LF+HF  contest, SWL
    Results of the 3rd stage of SLP March 26-27 2016 NameSWL IDScore 1 Sjuk Veenstra NL6904 26780 2 Konstantin Vakhonin RU4SS 20844 3 Johan Heus ...read more
  • Arietidy a Zeta-Perseidy 2004Arietidy a Zeta-Perseidy 2004
    In categories: VHF+SHF  meteor scatter, WSJT
    Arietides and Zeta-Perseids are two swarms, the maximum of which we expect at the beginning of June. Arietid activity begins on May 22 and ends on July 2, taking a maximum of ...read more

ABOUT HIM ROKA

Year 2004
Dipl. Ing. Jaroslav Just
OM3TA, SK


Year 2005
Rudolf Karaba
OM3PC


Year 2006
MUDr.Harry Činčura
OM3EA


Year 2007
Dipl. 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

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RSS DX expeditions

  • Senegal: Feb 6-Mar 31, 2023 -- 6W -- QSL via: LoTW
  • Solomon Is: Feb 15-Apr 30, 2023 -- H44MS -- QSL via: DL2GAC
  • St Martin: Mar 3-Apr 1, 2023 -- Feb 26-Mar -- QSL via: LoTW
  • Cape Verde Is: Tue 8-Apr 5, 2023 -- D44KIT -- QSL via: LoTW
  • Ogasawara: Mar 9-24, 2023 -- JD1 -- QSL via: LoTW
  • Reunion: Mar 9-27, 2023 -- FR -- QSL via: LoTW
  • Bahamas: Mar 11-24, 2023 -- C6AJB -- QSL via: LoTW
  • Norfolk I: Mar 17-31, 2023 -- Norfolk I -- QSL via: LoTW
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  • Vanuatu: Mar 18-28, 2023 -- YJ0CA -- QSL via: See Web

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RSS Contesty

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Recent Comments

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  • Dave Pergamon on 3Y0J - why was he dropped from the RA9USU team?
  • Battery-powered FT-857D on HA DX Contest 2023
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  • OM1DS on OM1TD. 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 IS OM0AAO.

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