Tomáš Géci OM5AST

Bratislava   Slovak Republic    IARU REGION  1   ITU  28   CQ  15   LOC  JN88ND
Hamradio, Programming, Linux


  • 60m, 40m, 30m, 20m, 17m, 15m, 12m, 10m - SSB, PSK, Olivia, FT8, FT4, RTTY, SSTV
  • 6m, 4m, 2m, 70cm, 23cm - FM, SSB, FT8


  • Bureau
  • EQSL
  • LOTW


My Equipment

HF equipment

      Yaesu FT-991A + LDG AT100Pro II Antenna Tunner
      Yaesu FT-891 as a backup radio
      Xiegu G90 for portable operations
      (tr)uSDX for portable operations

    On portable operations LiPol Cells as power supply

    VHF/UHF Equipment

        Yaesu FT-60, Yaesu FT-4X
        Baofeng UV5R, Radioditty GD77 + BrandMeister network
        Retevis RT3 UHF/DMR + BrandMeister network
        Yaesu FT8900 Mobile + homebrew Slim-Jim antenna
        Perfect 4m/10m transverter by Serge UT5JCW + Inv V
        Perfect 23cm/2m transverter + 20W PA by SG-LAB + 11el Yagi
        Yaesu FT-991A for 2m/70cm + homebrew YSF hotspot

      On portable operations mostly 2m with Slim-Jim antenna on 6m fishing pole

      Other Equipment

          APRS Adapter For APRSDroid and Baofeng UV5R - designed by me :-)
          APRS Tracker - designed by jweers1
          Fishing Pole Holder For Camera Tripod - designed by me :-)
          Digi Interface for Yaesu FT-891, Xiegu G90 and (tr)uSDX
          Raspberry Pi 2 DV-MEGA based PI-STAR DMR/YSF hotspot
          Raspberry Pi 2 WSPR beacon with filters
          RX/TX switch for SDR and Yaesu FT-891
          QRM Eliminator X-phase
          APRS LoRa iGAte and Tracker by OE5BPA
          LoRa Meshtastic 433MHz and 868MHz
          APRS WX station with LoRa sensors

        A plenty of homebrew programming cables, prototypes, Arduino, ESP, STM, LoRa, TNC...


        Portable Antennas

          Slim-Jim for 2m band - designed by NelsonAntennas
          Slim-Jim for 2m/70cm band - designed by N9TAX
          Homebrew Coax Antenna 2m/70cm band - designed by PA0FBK
          Homebrew Telescopic Whip for 2m band - designed by OK1PLB / OM8ST
          Homebrew 2m/70cm Moxon For Satellites - designed by me :-)
          Homebrew SOTA Dipole For 80m/17m band
          Homebrew SOTA EFHW for 40m/20m/15m/10m
          Portable Outback 1899 For 10/15/20/40/80m + 2m/70cm

        QTH Antennas

          Homebrew "RandomWire" 6.5m length antenna - for HF bands
          Wimo HB9CV antenna for 2m
          5 el. Yagi antenna for 70cm
          11 el. Yagi for 23cm
          Homebrew Wire Dipole for 2m/70cm
          Homebrew Wire Dipole/Inv-V for 4m
          Homebrew Slim-Jim antenna for 2m/70cm

        Portable activities

          SOTA  OM/BA-004 (Devínska Kobyla)  Activated 16.07.2017  Photos
          SOTA  OM/BA-001 (Vysoká)  Activated 23.07.2017  Photos
          SOTA  OE/NO-197 (Braunsberg)  Activated 30.08.2017  Photos
          SOTA  OM/TT-001 (Záruby)  Activated 16.06.2018  Photos
          SOTA  OE/NO-180 (Hundsheimer Berg)  Activated 08.09.2018
          SOTA  OE/NO-197 (Braunsberg)  Activated 08.09.2018  Photos
          SOTA  OM/TT-002 (Marhát)  Activated 24.08.2019
          SOTA  OM/BA-002 (Vápenná)  Activated 27.08.2019  Photos
          SOTA  OM/BA-006 (Čierna skala)  Activated 06.09.2019  Photos
          SOTA  OM/BA-005 (Geldek)  Activated 27.09.2019  Photos
          SOTA  OE/BL-012 (Sonnenberg)  Activated 01.11.2019  Photos
          SOTA  OE/NO-279 (Badner Lindkogel)  Activated 01.11.2019  Photos
          SOTA  OM/TN-010 (Veľká Javorina)  Activated 05.07.2020  Photos
          SOTA  OM/TN-004 (Inovec)  Activated 15.09.2021  Photos

        On portable I prefer 2m band FM but sometimes I used to be QRV on 80/40/20/17m band SSB.

        Interests And Skills


            Programming - PHP, NodeJS, C#, C, ASM, JavaScript, ReactJS, VueJS, Golang
            Websites - HTML, CSS, JS
            Databases - MySQL, Postgres, MongoDB
            Linux - Server, Desktop, Docker, K8S, Devops, Cloud, AWS


              MicroControllers - Atmega, Arduino, STM32, ESP8255, ESP32
              STEM :-)
              Vintage electronics
              IOT and smart home, LoRa
              Books - CyberPunk, Sci-Fi, Classic
              Hiking - Mostly with radio in backpack :-)


            Small selection of my awards

            • Unsorted awards  See awards
            • Activity Group of Belarus - AGB  See awards
            • Croatian Digital Group - CDG  See awards
            • European ros club - ERC  See awards
            • FT8 digital mode club - FT8DMC  See awards
            • All DIGI awards  See awards
            • QRZ.COM awards  see my profile
            • 2017 -  #3 Slovakia (Single Op Assisted) - CQ World Wide DX Contest SSB  PDF
            • 2018 -  #1 Slovakia (Single Op Assisted) - CQ World Wide WPX Contest SSB  PDF
            • 2020 -  #11 Slovakia (Single Op Assisted) - CQ World Wide DX Contest SSB  PDF