RAN STATION 302
INDICATOR LOOP AND CONTROLLED MINING STATION
NEWCASTLE, NSW

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A controlled minefield of 12 mines was also installed by HMAS Gippsland by 20 June 1942 and operational on 26 June 1942. On 19 January 1943, the No. 4 Group of mines detonated accidentally.

The small concrete bunkers for the Power Hut and Observation Post were installed by the 18 June 1942 on the northern side of the river at Stockton near the end of Pitt Street.

A three legged Indicator Loop was installed in 1942 as a Guard Loop from Nobby's Head back towards Stockton generally as shown on the picture below. The Indicator Loop cable was laid by HMAS Gippsland on 17 August 1942.

The Indicator Loop detected a change in magnetic field caused by a steel hull passing above the loop which generated a small voltage which was detected by a galvanometer in the Control Hut.

RAN Station 302 Indicator Loop and Controlled Mining Station was closed in December 1944.

 

RAN 302 Indicator Loop & Controlled Mining Station
There were 12 mines inside the Mine Loop

 

VAOC Post Nobby's Head

Shepherd's Hill RAAF Radar

Searchlights at Nobby's Head

Australian Army Radar Nobby's Head

Twin 6 Pounder Emplacement Nobby's Head

RAN Station 301 Port War Signal Station Nobby's Head

Rail Section 3 Pounder Guns Nobby's Head Breakwater

 

REFERENCE BOOKS

Indicator Loops - Royal Australian Navy Harbour Defences, RAN No. 302 - Newcastle
by Dr. Richard Walding

 

ACKNOWLEDGEMENTS

I'd like to thank Richard Walding for his assistance with this web page.

 

Can anyone help me with more information?

 

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Copyright

 Peter Dunn 2015

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This page first produced 27 October 2016

This page last updated 28 October 2016