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Thank you for visiting the K2AK Amateur Radio QRZ Webpage. This page contains information pertaining to the operation of Amateur Radio Station K2AK. My name is Jeffrey Thomas (Jeff) and I have been an Amateur Radio Operator since June 1976. I was first licensed as a Novice class operator in the state of New Jersey with call sign WA2QZA.

I upgraded my license to Advanced Class in August of 1976, and was issued the call sign N2AEW which I held until February 1999 when I requested and was issued the vanity call of W2JRT. In March of 2007, I changed vanity call signs to K7WIN. After upgrading to Amateur Extra Class, I upgraded to the 1X2 call sign of K2AK which is in 2-Land where I was first licensed.

From November 1983 to January 1985, I operated HL9JT from a mountaintop in Suwon, South Korea and completed over 15000 contacts with stations from around the world.
I am the president of SAZARC (Southern Arizona Amateur Radio Club). SAZARC is a group of Amateurs that like experimentation and club activities without the requirements of a normal club. Anyone is welcome to become a member and there is no dues or donations required. We are looking for individuals that have the desire to learn and research new technologies.

We currently have a System Fusion repeater (for moe details go to http://sazarc.com). Coming soon is the interfacing of WIRES-X, IRLP and D-Star.

In my mobile (2007 Mitsubishi Outlander), I have an ICOM IC-5100A (VHF/UHF D-Star, FM), and an Yaesu FTM-400DR (VHF/UHF System Fusion) mobile rigs both are touch screen for ease of mobile use.


I love SIX Meter openings. My 5 element Cushcraft Yagi works wonders especially when the IC-PW1 is online. I am also active on the HF bands. I can also be found on the rapidly growing in popularity modes of JT65 and JT9 weak signal. Thank you K1JT (Joe) and VK3AMA (Laurie) for WSJT-X, JT-Alert, and JT-Macros for making weak signal modes so much fun and easy to work and track. I use HRD version 6 and its awesome logbook.

Antennas I use are:

  • Cushcraft A3S, 3 element Tribander (10/15/20 meters)
  • Cushcraft A505S, 5 element monobander (6 meters)
  • Comet CA-52HB4, 4 element monobander (6 meters)
  • SteppIR BigIR, Vertical (autotunes from 3.5MHz to 54MHz )
  • Alpha Delta, DX-CC (10, 15, 20, 40, 80 - 1/2 wave dipole)
  • Diamond F718A, Vertical (UHF repeater)
  • Diamond X200A, Vertical (VHF/UHF)
  • Diamond X300A, Vertical (VHF/UHF)
  • Comet GP-9M, Vertical (VHF/UHF)
  • M2 2MCP14, 14 element Circular Polarized for Satellite (VHF)
  • M2 436MCP30, 30 element Circular Polarized for Satellite (UHF)

Radios and equipment currently in use;

  • ICOM IC-7600 (HF, +50MHz)
  • ICOM IC-7100 (HF, +50MHz, VHF/UHF, D-Star)
  • ICOM ID-5100A (VHF/UHF)
  • ICOM ID-51A (VHF/UHF D-Star)
  • ICOM ID-31A (UHF D-Star)
  • Vertex VXD-720 (UHF DMR)
  • Yaesu FTM-400DR, 2 each (VHF/UHF, System Fusion)
  • Yaesu FT1D, 2 each (VHF/UHF, System Fusion)
  • Yaesu DR-1, (VHF/UHF System Fusion Digital Repeater)
  • Yaesu DR-1X, (VHF/UHF System Fusion Digital Repeater)
  • Arcom RC-210, 3 port repeater controller
  • S-COM 7330, 3 port repeater controller
  • Yaesu HRI-200, WIRES-X (Wide-coverage Internet Repeater Enhancement System)
  • DV-Mega, UHF Hotspot, D-Star, DExtra, DPlus, CCS, DCS, Callsign Routing
  • IRLP Pi, Node 3952
  • Yaesu G-800DXA Rotor
  • Idiom Press Rotor Card DXA (computer rotor control)
  • RIGblaster DUO
  • Navigator Interface (


  • ICOM IC-PW1 (1000W, HF +50MHz)


SteppIR, BigIR

Over the years, I have received many awards and certificates for Amateur Radio operating achievements. Achievements included are DXCC, WAS (over 30 different variants of WAS), WAS-Triple Play, WAS-OSCAR, WAC, VUCC, and many others. I have completed over 4000 satellite contacts in just a couple years.

If you are unable to find the information you are looking for, please send me an email with a description of your request. Comments and suggestions are also welcome. Please visit my website at http://www.k2ak.net.

Thanks for stopping by and hope you have a great day,
Jeff - K2AK

1638253 Last modified: 2015-01-25 20:14:57, 5990 bytes

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