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Low Frequency - G4WGT

William Gary Taylor’s Web Site

On the 21st February 2007 Ofcom announced that a limited number of SRPs (Special Research Permits) will be made available for 12 months from 1st March 2007 to operate on the frequency band 501.000 Khz to 504.000 Khz. I made an application & was granted a permit from the 8th March 2007 to 29th February 2008 using the modes A1A, F1B & G1B with a maximum ERP of -10 dbW.

Work has now urgently been re-directed to constructing a transmitter and modifying the new loading coil for the new frequency allocation.

February 2007

Special Research Permits (501 to 504 kHz band).

Ofcom has decided to permit a limited number of Amateur Radio Full licensees to operate under a Special Research Permit between 501 and 504 kHz for a 12 month period commencing from 1 March 2007. Full details here :-

http://www.ofcom.org.uk/radiocomms/ifi/licensing/classes/amateur/Notices/20070221

March 2007 I made an application & was granted a permit from the 8th March 2007 to 29th February 2008 using the modes A1A, F1B & G1B with a maximum ERP of -10 dbW (100mW).

Work has now urgently been re-directed to constructing a transmitter and modifying the new loading coil for the new frequency allocation.

February 2008 Ofcom announced :-

Following representations made by the Radio Society of Great Britain and negotiations by Ofcom with the Maritime and Coastguard Agency, Ofcom has decided to extend the period of Notices of Variation (NoVs) for operation in the 501 to 504 kHz band until 28 February 2009. Additionally, the maximum effective radiated power (e.r.p.) limit has been increased to 0 dBW (1 W).

The full announcement can be read here :-

http://www.ofcom.org.uk/radiocomms/ifi/licensing/classes/amateur/Notices/20080201

502 to 504 khz Frequency Band

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