Musick Point Radio Group
Maintaining and operating Auckland's historic Musick Memorial Radio Station
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  • The Group
    • Meetings
    • Club Pennant
    • Ian Walker – founder
    • MPRG on Twitter
    • Web link of the month
    • 1996 News
    • 1997 News
      • Feb: Jock White Amateur Radio Field Day 1997
    • 2000 News
      • Closure of MT Eden VHF communications site
    • 2001 News
      • Jul: Letter from Harold Boyd ZL1CH
    • 2002 News
    • 2003 News
      • History of radio regulation in NZ, 1903-2003
    • 2005 News
    • 2007 News
      • Nov: Another top-loaded vertical at ZL1BGB
    • 2008 News
      • Feb: Building a curtain track J-Pole antenna
    • 2009 News
      • Feb: Jock White Amateur Radio Field Day 2009
    • 2010 News
      • Nov: Hamfest at Musick Memorial Radio Station
    • 2011 News
      • Coastwatcher John Jones’ 2nd visit to Musick Point
      • Coastwatcher John Jones’ 1st visit to Musick Point
    • 2012 News
      • Feb: Jock White Amateur Radio Field Day 2012
      • Mar: Chandlers celebrate 60th anniversary
      • Apr: MPRG launches new website
      • May: Replacing the rotator on the West Tower
    • 2013 News
      • Feb: Jock White Amateur Radio Field Day 2013
      • Sep: First trans-Tasman contact on new 630m band
      • Sep: 20th Anniversary of Auckland Radio closure
      • Oct: Jamboree on the Air 2013 at Musick Point
    • 2014 News
      • Jan: ZL1ZLD New Year DX marathon with ZL1SLO
      • Feb: Jock White Amateur Radio Field Day 2014
      • Nov: Bernie Smith of ZLD returns to Musick Point
    • 2015 News
      • Jan: ZL1ZLD New Year DX marathon with ZL1SLO
      • Oct: Tony 3D2AG from Suva visits Musick Point
      • Dec: ZL1ZLD on 80m AM for H Night
      • Dec: Former Telecom rigger ‘Friday’ Anania dies
    • 2016 News
      • Jan: Japanese hams visit Musick Point
      • Feb: Jock White Amateur Radio Field Day 2016
      • Mar: Hiro Horiuchi of Icom visits Musick Point
      • May: ZL1 QSL Bureau on cover of Break-In
      • Sep: Presentation to Awarua Museum by ZL1NZ
      • Oct: MPRG featured in Chinese magazine
      • Oct: Sked with K6KPH at SF coast station KPH
      • Nov: MPRG at Branch 03 used equipment sale
      • Nov: VK7BC works ‘ZLD after 50-year gap
    • 2017 News
      • Feb: HB9CIC and XYL visit Musick Point
      • Feb: Jock White Amateur Radio Field Day 2017
      • May: Dennis 9W8DEN visits Musick Point
      • June: Longest Night with ZL1ZLD on 630m
    • 2018 News
      • Mar: Ray Chandler dies
      • July: Bernie Smith dies
      • Nov: Antenna maintenance
        • Nov: Antenna maintenance – part 2
      • Dec: RCA 351 transmitter on the air for H Night
    • 2019 News
      • Jan: UTC clock mysteries solved
  • Musick Point
    • Musick Point location
    • Te Waiarohia Pa
    • Weddings and wedding photos at Musick Point
    • Musick Point information broadcast on FM radio
  • Auckland Radio
    • Musick Memorial Station
      • Technical information
      • Undergound services plan
      • Aerials at Musick Point
      • Direction-finding work at Musick Point
    • Oliver Rd Transmitter Site
      • Oliver Road Transmitters
      • Transmitting Antennas
      • Antenna Feedlines
    • Auckland Radio Staff
      • Auckland Radio Managers
    • Recollections of ZLD
      • John Milne, Superintendent
      • Fred Gates, Manager
      • Paul Chamberlain, Tech
      • Tom Clarkson, Engineer
      • Coded messages at ZLD
      • Lonely Morse operators
      • Gardener’s Shed
    • 500 kc/s Technical Notes
      • 500 kc/s Pup transmitter
      • HR1 emergency transmitter
      • HR1 transmitter: oscillator
      • HR1 transmitter: modulator
      • HR1 transmitter: RF unit
      • HR1 transmitter: relay
      • 500 kHz receiving antenna at ZLD
      • 500 kHz transmitting antenna tuner
    • Auckland Radio 1912-1919
      • World War 1 Field Radios
      • 1913: Wheeler takes charge at Auckland Radio
      • 1915: Awanui Radio replaces Auckland station
    • Auckland Radio 1920-1929
      • 1927: Auckland Radio’s remote receiver
      • 1924: VLD – Very Loud Disturbance
      • 1928: Profile of George Scull, radio inspector
    • Auckland Radio 1930-1939
      • 1939: New radio station to be Musick memorial
      • 1939: Radio service to link Musick Point and Sydney
      • 1939: Tests underway at Musick Memorial Station
      • 1939: Foretelling the weather for aviators
      • 1939: Musick Memorial Station in operation
    • Auckland Radio 1940-1945
      • Equipment racks at Auckland Radio
      • WW2 at Musick Point [pdf]
      • 1941: RT for small ships
      • 1942: Invitation to Musick Memorial Station opening
      • 1942: Musick Memorial Station opening ceremony
      • 1942: PM was radio fan
      • 1943: Air force damages Musick Point MWDF
    • Auckland Radio 1946-1949
      • Audio book: Telegraph Tales by J Edward Brown
      • 1946: LG Scull radio interview at Musick Point
      • 1949: Feature on Musick Point Radio Station
    • Auckland Radio 1950-1959
      • 1957: Pencil sharpeners
      • 1957: Photos of Mr Berger and Mr Young
    • Auckland Radio 1960-1969
      • 1967: NZPO Magazine features Auckland Radio
      • NZPO Radio Inspector’s mobile DF equipment
      • Just another day in the Radio Inspector’s office
    • Auckland Radio 1970-1979
      • 1974: Proposal to partition 1st floor of Musick station
      • 1978: Transmitter 873 failing
      • 1978: Transmitting towers unsafe
      • 1978: No replacement for transmitter 873
      • 1978: ZLD asks to keep transmitter 873
    • Auckland Radio 1980-1993
      • 1980: Two new towers for transmitter site
      • 1980: Electronic switching at Auckland Radio
      • 1985: Eight towers to be regalvanised
      • 1985: ‘Terry & Gunrunners’ filming at Musick Point
      • 1989: ZLD talks with Whitbread racing yachts
      • 1990: Competition to guess Tony Graham’s cycling time
      • 1990: Auckland Radio ZLD in Telecom staff newsletter
      • 1992: Reunion marks 50 years since station opened
      • 1993: Auckland Radio and Musick Point station close
    • Auckland Radio 1993-Now
      • 1994: Removing the Musick Point radio towers
      • 1994: Proposal to save ZLD transmitter building
      • 2002: Removing the Musick Point generator
      • 2003: Rededication of the Musick Memorial Station
      • 2013: 20th anniversary of the closure of ZLD
      • 2015: Centennial Yacht Race TV documentary
      • 2015: IPENZ Engineering Heritage Register Report
  • Edwin Musick
    • 2016 Flashback: Airmail flight ended in tragedy
    • Videos of Captain Edwin Musick
    • Memorials to Captain Edwin Musick
    • 1938: Investigation into Samoan Clipper crash
    • 1938: Tributes to Captain Musick and Clipper crew
    • 1938: Crew of Pan Am’s ill-fated Samoan Clipper
    • 1938: Samoan Clipper lost with all aboard near Pago
    • 1937: Clipper takes first NZ airmail to USA
    • 1937: Imperial Airways flying-boat in Auckland
    • 1937: Clipper completes second flight to Auckland
    • 1937: Pacific air service will come, says US official
    • 1937: Samoan Clipper’s Auckland stopover
    • 1937: Auckland welcomes aviator Edwin Musick
    • 1937: Samoan Clipper arrives in Auckland
  • The Station Today
    • Building exterior
    • Ground Floor
      • Memorial Hall
      • Radio museum
      • Transmitter room
      • Radio workshop
      • ZL1 QSL Bureau
    • 1st Floor
      • Main room
      • East operating room
      • West operating room
      • Teleprinter room
    • 2nd Floor
    • Vintage transmitters
      • Nautel NTT4000 transmitter
      • Dansk S 265-3F-4M transmitter
        • NZPO gets Dansk transmitters
      • JRC NSD-166P transmitter
        • Specifications: JRC NSD-166 transmitters
      • JRC NSD-166N transmitter
      • RCA NZPO 351 transmitter
      • Collier and Beale 873
      • T98 transmitter
      • Collier and Beale 277
      • 666 transmitter
      • Collier & Beale 4225
      • Marconi Salvita III lifeboat transceiver
      • SCR-578 Gibson Girl
    • Vintage receivers
      • Lowe HF-235 receiver
      • Eddystone EC1680/2
      • Marconi Pacific X receiver
      • Codan 7004 receivers
      • Redifon R50M/FS receiver
      • RCA AR-88 receiver
      • Marconi CSR5 receiver
      • Collier & Beale HRO
    • Military radios
      • ZC1 transceiver
        • ZC1 Mk II schematic
  • Amateur Radio
    • ZL1ZLD on HF
      • Icom IC-7700 installation
    • ZL1ZLD on 630 metres
    • ZL1ZLD on 600 metres
    • East Tower
    • West Tower
    • Vee Beam for 80/40m
    • Multiband Folded Dipole
    • Marconi Tee Aerial
  • Videos
  • Roll of Honour
  • Contact Us

500 kc/s Technical Notes

Emergency 500 kc/s transmitter oscillator

Emergency 500 kc/s transmitter RF unit

Emergency 500 kc/s transmitter tone modulator

  • Find us on the air!

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  • Musick Point Radio

    MusickPtRadio

    • MusickPtRadio Our next monthly meeting is Sunday 10 Feb 2019, 1.30pm at Musick Memorial Radio Station. Visitors are welcome, but… https://t.co/gBLcvLosf8

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    • MusickPtRadio Musick Memorial Radio Station and amateur #hamradio station ZL1ZLD will be open this Sunday from noon to 4pm. Non-m… https://t.co/nwv8SwfWwL

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  • NZART-lockup-200MPRG is Branch 86 of the NZ Association of Radio Transmitters and hosts the ZL1 QSL Bureau.
  • Brochure in Japanese Brochure in Chinese

  • Pete ZL1AAM and Rick ZL1WOT on the cover of the Nov-Dec 2013 edition of Break-In magazine, which featured the 20th anniversary of the closure of Auckland Radio ZLD
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