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Welcome to The Radio Society of Harrow, G3EFX


Foundation & Intermediate
Licence Training Courses

The Society runs Foundation and Intermediate training courses, these are shown in the Events section of the website (click here) - usually on consecutive Sundays at the 1st Stanmore Scouts Group HQ in Marsh Lane, Stanmore (click here)

At Foundation level, the course fee is £25 plus £27.50 for the exam. The Intermediate course is £30.00 + £32.50 exam fee. We also offer a Fast Track unlicensed to Intermediate course, £40.00 + £60 exam fee.

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GB3HR, The Harrow 433 MHz (70 cms) FM Repeater

A new UHF Base Station has recently been installed and is running 9 Watts erp from our site near Harrow Weald. The new transceiver consists of a Kenwood TKR 851 running 12 Watts RF output on 433.350 MHz and receiving on 434.950 MHz. The station will relay FM transmissions when a continuous sub-audible tone (CTCSS) of 82.5 Hz is sent. The station identifies as GB3HR D in Morse Code, the D denoting the sub-audible code 82.5 Hz. The station has also had a new 6dbD gain collinear antenna installed and this has greatly improved coverage throughout Watford, Harrow and surrounding areas.

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Club Events

  • Upcoming Events
    1. Annual General Meeting

      March 24 @ 8:00 pm - 10:00 pm
    2. Sunday afternoon at Old Redding

      March 26 @ 2:00 pm - 5:00 pm
    3. The M0UJC Memorial Lecture: An Introduction to Designing Antennas by Computer

      April 7 @ 8:00 pm - 10:00 pm
  • Latest News:

    Members Intranet

    The club has developed a members intranet.  This allows members to check their membership details directly and ensure that the information is up to date and accurate. Among the features

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    Old Redding 25 May 2014

    Wonderful weather! Wonderful radio conditions on 10m and 6m! Wonderful company! Don G0ACK worked into Morocco and Greece. Several Spanish, Italian and French stations also worked.

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    Membership fees

    Full membership £20 (£18); Concessionary: £12 (£11);
    Family £30 (£26); Junior £6; Supporter £5.

    We like Direct Debit payments - price shown in brackets.