Chelmsford Amateur Radio Society

GB100MZX Nellie Melba Centenary

Dame Nellie Melba Centenary
13th - 20th June 2020
Chelmsford On The Air
"GB100MZX Special Event"
CARS Members

In June 1920 with sponsorship from the Daily Mail newspaper, the Marconi Company broadcast the world's first live recital by a professional musician - the legendary Australian diva, Dame Nellie Melba.

In a makeshift studio at the New Street Chelmsford factory, she opened her recital at 19:10 on 15 June 1920 by singing 'Home Sweet Home' and other popular favourites - the first offical UK Broadcast.

The powerful Marconi company transmitter used in 1920 had been allocated the callsign MZX (Marconi Zulu X-ray). This event subsequently led to 2MT Writtle and later 2LO in 1922 the birth of the BBC.

Lead Engineer W.T.Ditcham with the Marconi MZX Transmitter

Marking the centenary of this landmark event CARS Members will operated GB100MZX around 12-20 June 2020 for the anniversary, and continued until the end of the month.

Our thanks to both the operating team and all involved in a very successful anniversary event
(a fuller report will appear in due course)

GB100MZX Nellie Melba Centenary On Air

GB100MZX started early on Friday 12-June with HF CW SSB and FT8 in use. Our volunteer operating team and their favourite choices are indicated below:-

Operating Team - Times, Bands, Modes - Click to Zoom

GB100MZX SSB on 5MHz / 60m - from Keith G3WGE - click to zoom

GB100MZX CW on 14MHz / 20m - from John M0JOC

One member of our MZX special event team is Ian Duxbury M0LZI, who happens to be a distant relative of W.T.Ditcham! Courtesy of the family we have uploaded a short clip of Ditcham onto our YouTube channel (recorded later in 1934).

A short film clip of W.T.Ditcham, the MZX Transmitter engineer - recorded later in 1934

GB100MZX has also used the local repeaters courtesy of ERG - with a Monday June-15 Centenary night net on GB3DA, followed by an excellent turnout on 70cm GB3ER from across Essex and Kent for the CARS net on Tue Jun-16. ThamesARG member Oscar 2E1HWE captured the moment on GB3DA in this Youtube clip:-

Useful Links:
  • QRZ: GB100MZX on QRZ
  • QSL: GB100MZX on eQSL
  • Previous 90th Anniversary: GB90MZX Report

    NB: eQSL is preferred to confirm QSL. QRZ Logbook also available

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