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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.

Motorola XPR-6550

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 have also operated the W2JRT and later K7WIN repeater on 449.725 MHz for three years which was discontinued from service in September 2008 to move into the new technology of D-Star. Also during the service of the analog repeater, IRLP, and EchoLink services were provided. These services were also terminated when the repeater was removed from service.

I am currently active on many different Amateur Satellites and an active member of Amateur Satellite Corporation North America (AMSAT-NA). I am currently active on the following LEO (low earth orbiting) satellites: AO-7, AO-16, AO-27, FO-29, GO-32, HO-68, SO-50, and VO-52 as well as communications via the International Space Station. I am looking forward to the upcoming HEO (high elliptical orbiting) satellites.

2007 Mitsubishi Outlander - K2AK

In my mobile (2007 Mitsubishi Outlander), I have an ICOM IC-2820 (VHF/UHF D-Star, FM), and a Motorola XPR-6550 (UHF DMR). When operating MotoTRBO, I can mainly be heard on the Mule Mountain N2QWF UHF DMR repeater. On FM I am usually monitoring the K7EAR VHF repeater also located on Mule Mountain.

I love SIX Meter openings. My 5 element Cushcraft Yagi works wonders. 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.

DMR (Digital Mobile Radio), is becoming very popular around the world and has caught my interest. Visit http://www.dmr-marc.net/, DMR-MARC for more information. I have purchased a few Motorola (MotoTRBO) DMR portables and mobile radios. XPR-5550, XPR-6550, XPR-7550, and a Vertex VXD-720. (Motorola rules!)

K2AK DMR Equipment

Antennas I use are:

  • Cushcraft A3S, 3 element Tribander (10/15/20 meters)
  • Cushcraft A505S, 5 element monobander (6 meters)
  • SteppIR BigIR, Vertical (autotunes from 3.5MHz to 54MHz )
  • Diamond F718A, Vertical (UHF repeater)
  • Diamond X200A, Vertical (VHF/UHF)
  • M2 2MCP14, 14 element Circular Polarized for Satellite (VHF)
  • M2 436MCP30, 30 element Circular Polarized for Satellite (UHF)

Radios currently in use;

  • ICOM IC-7600 (HF, +50MHz)
  • ICOM IC-9100 (HF, +50MHz, VHF/UHF, D-Star)
  • ICOM IC-2820 (VHF/UHF)
  • ICOM ID-880HA (VHF/UHF D-Star)
  • ICOM ID-51A (VHF/UHF D-Star)
  • Kenwood TH-D72A (VHF/UHF)
  • Motorola XPR-5550 (UHF DMR)
  • Motorola XPR-6550 (UHF DMR)
  • Motorola XPR-7550 (UHF DMR)
  • Vertex VXD-720 (UHF DMR)
  • Yaesu FTM-400, 2 each (VHF/UHF, System Fusion)
  • Yaesu FT1D, 2 each (VHF/UHF, System Fusion)
  • Yaesu DR-1, (VHF/UHF System Fusion Digital Repeater)


  • 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

1326031 Last modified: 2014-10-07 02:03:15, 6228 bytes

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