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To celebrate the Centenary of the Radio Society of Great Britain in July, 2013, UK radio amateurs and radio clubs could apply to use a special temporary callsign during the period 00:00 2013-07-05 to 23:59 2013-07-31. Dates are British Summer Time (GMT+1). Sucessful applicants were issued with a Notice of Variation (NoV).

Callsign format

The normal prefix of an individual callsign was replaced as follows:

• 2D, 2E, 2G, 2I, 2J, 2M, 2U, 2W prefix callsigns all used 2V prefixes.
• G, GD, GI, GJ, GM, GU, GW prefix callsigns all used GV prefixes.
• M, MD, MI, MJ, MM, MU, MW prefix callsigns all used MV prefixes.

The digit and suffix of all SES callsigns were the same as the licensee's normal callsign.

Callsign mapping

From the above, it is clear that the DXCC entity of a station cannot be determined from the callsign. Club Log maps all these callsigns to England, unless a callsign exception exists for the station.

Purpose

The purpose of this article is to help clarify which special calls are QRV from which DXCC entity.

It is envisaged that this information will be used by those responsible for maintaining logging software country files, and also to enable individual hams to ensure that they log the calls with the correct DXCC entity.

Note to logging software authors: when updating your country files, you need to use 2013-07-04 as the start date, to allow for QSOs in the period 0001-0059 BST on 2013-07-05, which is 2301-2359 GMT on 2013-07-04.

List of SES callsign exceptions (Club Log has callsign exceptions for all these callsigns)

The following is believed to be final list of exceptions for RSGB Centenary SES callsigns.  Please advise 5B4AHJ of errors & omissions. My email address can be found on QRZ.COM. Alternatively, please raise a support ticket on the Club Log Help Desk . Last update: 2013-08-01.