NK7W
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About

Life member ARRL, RSO and others. Past member of many Ham radio clubs in the USA and around the world, including the JARL while stationed in Japan.
I've held every elected and appointed office in many of these clubs, including the office of President of the Radio Society of Okinawa (RSO) several times during my 6 years there. I'm also the founding President of several Amateur Radio (HAM) clubs in the United States.

10-X # 89403
EPC # 16305

Please QSL via eQSL.cc. My card is "Authenticity Guaranteed"
(AG), which means they have a copy of my HAM license on file.

I'm active in the following radio activities:

  • HF and 6 meters: CW, AM, USB, LSB and FM. Fixed, Mobile and Portable.
  • Various digital modes (mostly PSK-31) on 160 - 6 meters and sometimes on VHF and above.
  • 2 m and 70 cm: AM and SSB with very little FM repeater or simplex activity.
  • .23 cm: AM, FM and SSB.
  • HAM satellites: FM and SSB.
  • APRS. I turn my APRS on from time to time, but not as much as I used to.
  • U.S.A.F. Military Auxiliary Radio System (MARS). National Mission Support Network Manager and Master Net Control Station (NCS) on both Voice and Digital nets. Prior to accepting the National Network Manager position, I was the South West Area MARS Region 9 (NV, CA and AZ) Voice Net Manager and Public Information Officer.

    We are looking for new members. Contact me for information, or click on the MARS menu tab for an application.
  • SHARES SHAred RESources Net Control Station. SHARES allows government agencies access to various radio frequencies and networks which allows them to pass emergency traffic.
  • HAM and MARS ALE (Automatic Link Establishment).
  • PropNet. You can sometimes find me on PSK-31 on 10/17/30 meters as a PropNET automatically controlled digital station. That means that I am transmitting 4-6 times per hour and listening for other PropNET stations, but will respond to a QSO request if I'm not doing something else in the shack. We are doing propagation studies. Go to propnet.org for additional information, or to join.
  • WSPRnet (Weak Signal Propagation Reporter network) running 5 watts. Visit their web site http://wsprnet.org for additional information, or to join. WSPR is featured in the November 2010 issue of QST.
  • ARRL and W5YI Volunteer Examiner.
  • ARRL volunteer for other HAM radio related activities and services.

  • NK7W Amateur Radio and MARS Station
    Photo Copyright © NK7W

    Rigs: Other equipment:
  • Kenwood TS-2000X. All modes 100 watts 160-6 meters. All modes 100 watts on 2 meters. All modes 50 watts on 70 cm and all modes 10 watts on 1.2Ghz.

  • Yaesu FT-1000mp MK 5. All modes 200 watts 160-10 meters

  • Tempo 2020 100 watts CW, AM and SSB 80, 40, 20, 15 and 10 meters [Pre-WARC].

  • Yaesu FT-8900 mobile 50 watts FM on 10, 6 and 2 meters. 35 watts on 70 cm

  • Heathkit SB-220 amplifier. 2 KW (1,500 watts PEP) 80-10 meters.

  • Heathkit SB-200 amplifier. 1,200 watts PEP (input per the owners manual) on 80-10 meters.
  • Gateway 2.80 GHz Pentium 4 desk top built in 2002.

  • Gateway Notebook 1.67 GHz ATOM N570

  • Signalink USB digital interface (two).

  • AEA PK-232 digital interface (two not shown in photo)

  • Fldigi software for most HAM and MARS digital modes.

  • Software for ALE (HAM & MARS) and other digital modes.

  • Phone patch
  • HF Antennas:Other Antennas:
  • Hy-Gain TH-6DXX six element tri-band beam. 20, 15 and 10 meters.

  • Butternut HF9V ground mounted 80-6 meter 9 band vertical.

  • 20 meter vertical dipole sloping to the North East.

  • 20 meter horizonal dipole.

  • B&W BWDS-90N 160-10 meters Broadband Folded Dipole.

  • End-fed, 245 foot long wire ten feet above the ground.

  • 80 meter dipole configured as a horizontal V, open to the South. The feed point is at 23 feet on the tower which is low, but due to other antennas in the way, it's a high as I can go for now. This antenna works very well as an NVIS on 80 and 40 meters and as a general coverage receiving antenna below 30 meters and on the higher harmonics. It receives especially well on the VLF frequencies down to 30 KHz which is as low as my receiver will tune. I have never heard much of anything down that low and never WWVB on 60 KHz until I installed this antenna! There are some really interesting signals down there.

  • 60 meter NVIS dipole. Fifteen (15) feet above the ground.

  • 20 meter beam. A home brew 20 meter, three element mono-band yagi is in the mid-construction phase, but isn't a priority to complete because of the TH-6DXX.

  • Wire antennas for additional amateur bands, MARS and SHARES frequencies are also intalled.
  • Tri-band vertical on 2m, 70cm and 23cm.
    It's either a Diamond or Comet, but I forgot which because I've had it since 2000.

  • Satellite antennas: M2 Egg-beaters. EB-44 on 2 m and EB-432 on 70 cm.
    Both at 15 feet above the ground with about 50 feet horizontal separation.

  • Six meter Ringo Ranger vertical.

  • 10 element dual band 2 m and 70 cm beam horizontally polarized.

  • © NK7W 2006 - 2013

    Some items on this web site are © by others and used with their permission.