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Radio Society of Harrow

Welcome to G3EFX – The Radio Society of Harrow


Foundation & Intermediate
Licence Training Courses

The Society runs Foundation and Intermediate training courses - usually on Wednesday evenings (7.30pm to 9.30pm) at a venue near Harrow-on-the-Hill bus/train/underground stations or there is street parking nearby if travelling by car.

At Foundation level, the course fee is £25 plus £27.50 for the exam. Students will also need to have a copy of the RSGB book "Foundation Licence Now!" which is available on-line from the RSGB Shop (click here).

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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. TBA

      March 6 @ 8:00 pm - 10:00 pm

    2. AGM

      March 20 @ 8:00 pm - 10:00 pm

    3. TBA

      April 10 @ 8:00 pm - 10:00 pm

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    • Latest News:

    Members Intranet

    12 October 2014
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    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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    Club Net

    9 April 2014
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    All are welcome to join the Club net on Mondays at 20.15 (local time). Call on 145.500 (V40), then QSY to 145.350 MHz (V28) or nearest clear frequency.    

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    CURRENT MEMBERSHIP FEES

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

    To encourage Direct Debit payments, there is a reduction in the fee, (shown in brackets), for this method.

    LEARN MORE ABOUT MEMBERSHIP »