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G4OBK England flag England

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Operating in the great outdoors - G4OBK/P on Cold Pike - Lake District

My ham radio interests have changed significantly over the last 50 years since I built my first crystal set and ignited a lifelong hobby.... In 1969 I became a short wave listener after obtaining a Marconi CR100 World War 2 receiver.

In 1981 I learned Morse Code and in that same year I took the City & Guilds Radio Amateur Examination and 12 WPM Morse Test. In May 1982 I obtained the callsign G4OBK.

Between 1982 and 1990 I honed my Morse skills in amateur radio contests and DX working and became one of the most prolific european DXers on the 160m Top Band (252 Countries worked on Top Band). I now operate on all amateur bands from 160m through to 2m with my preferred mode remaining as CW (Morse Code). I also use Voice in SSB and FM and Datacomms with RTTY and PSK31.

At the RSGB Convention in October 2007 (the year I finally achieved DXCC Honour Roll#1 and a DXCC Challenge score of 2750), I was presented with the RSGB ROTAB Trophy for outstanding and consistent DX work over 25 years. During that period I was RSGB HF Contest champion for five years, the last time in 2005. These days I rarely take part in contests, and I do little DX work. Since 2005 my main interest in ham radio has become Summits On The Air (SOTA).  In 2015 became the first SOTA Operator to complete activating all 176 English Summits and making contact with them also from my shack. To achieve this took me almost ten years...

HF Antennae at G4OBK in 2012 supported on an 18m HD Versatower

Optibeam 11-5 Yagi 20/17/15/12m @ 19m + Optibeam 1-4030 30/40m dipole @ 23m + 1/4 wave 160m Band inverted L

(an 80m band dipole at 45' is supported from a nearby Sycamore tree)

For SOTA operation on HF I use either a Yaesu FT-817 or an FT-857 with a home brew link dipole on 17m/20m/30m/40m.  I also operate on 2m FM using either a Yaesu FT-270 at 5 watts or an FT-1500M running 10 - 45 watts with a home made vertical dipole 4m AGL. 

I have operated ham radio from seventeen countries between 1982 and 2015. All my logs are on Logbook of The World and in Clublog. Recent contacts I have made are in the Clublog i-window above. You can check if you are in my G4OBK logbook by entering your callsign into the i-window.

The above shows the VHF Antennae in use in 2015 at G4OBK on a 12m Tennamast

Vargarda 2m 11 ele Yagi (H) + Vine Eagle 5/5 ele 6m/4m Duoband Hybrid Yagi (H)

A small 2m 5 ele G0KSC LFA Yagi (V) on a 1.8m boom at 10m AGL is mounted on my shack to the left side of the Tennamast for SOTA Chasing on 2m FM

All antennae are fed with low loss Ecoflex 15 Coaxial Cable

I am a member of RSGB. I enjoy walking and cycling and my interests come together when I take part in the SOTA (Summits on the Air) Programme and the WOTA Wainwrights On The Air WOTA Programme. Please read my WOTA Blog at http://wainwrightsontheair.blogspot.com/. I am the Awards Manager for WOTA and the Area Manager for the TW region for SOTA England.

This is the baseplate for my 5 MHz 1/4 wavelength vertical antenna with 40 x 1/4 wavelength radials

470' long Beverage antenna feedpoint - used for receiving 7 Mhz-5 Mhz-3.5 Mhz-1.8 Mhz-MW Broadcast Reception

I have also operated on HF as GM4OBK from a holiday home in South West Scotland up until 2002, however I am QRT from there now apart from occasional trips over the border to activate SOTA. If you need a QSL for any of my operations please use my address in England or the RSGB Bureau.

Antenna distribution box with remote relay unit and 1000pf capacitor for the 160m band inverted L

I was the founder chairman of Ryedale Walking Group and I currently serve as the Website Administrator for this hiking club.

I have undertaken several long distance walks since 2005 such as A.Wainwrights Coast to Coast Walk:


and A Wainwrights 1938 Pennine Journey:


My current blog is here: Catterblog

In 2005 I retired from my professional career as a Communications Specialist with the UK Government. I now work in the voluntary sector several days each month.

Callsigns and countries of operation by Phil G4OBK since 1982:

G4OBK England

CT7/G4OBK Portugal

CT9/G4OBK Madeira

EI/G4OBK Ireland

F/G4OBK France

GD4OBK & GT7OOO Isle of Man

HB9/G4OBK Switzerland

HB0/G4OBK Liechenstein


LX/G4OBK Luxembourg

SV5/G4OBK Dodecanese

OE/G4OBK Austria

PA/G4OBK Netherlands

SV9/G4OBK & J42004Q Crete

ON/G4OBK Belguim

DL/G4OBK Germany

GW4OBK Wales

VK2ANU & VK2MB Australia

G4OBK 2012 QSL Front:

G4OBK 2014 SOTA QSL Front:

G4OBK 2014 SOTA QSL Rear:

1818223 Last modified: 2015-03-27 10:07:31, 15311 bytes

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