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View Full Version : 2 VLF time signal transmission masts in Japan


Alpha
Apr 1, 2008, 1:56 PM
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Official sources: http://jjy.nict.go.jp/QandA/reference/LFphoto/index.html
Unofficial sources: http://en.wikipedia.org/wiki/JJY

Building Name: Mount Otakadoya Transmitter
Native Name:
Other Names: JJY40 Transmitter
Address: Mount Otakadoya
City: Kawauchi
Postal Code:
State/Province: Fukushima
Country: Japan
Official Building Website URL:
Skyscrapers.com (Emporis.info) URL:
Architect:
Interesting Facts/Records (in own words):
Mast radiator insulated against ground used for transmitting the time signal of JJY on 40 kHz.
Mast is situated on Mount Otakadoya, 790 metres above sea level.

Heights--

PLEASE PROVIDE SOURCES FOR HEIGHTS, OTHERWISE WE WILL ASSUME THEY ARE ESTIMATES.
- antenna: 250 metres
- spire:
- roof:
- top floor:
- other heights:

Current Building Status (Built, Proposed, Canceled, Destroyed, etc...): Built

Construction Dates--
- started: 1999
- finished: 1999
- destroyed:


Above ground floors:
Below ground floors:
Floor-to-floor height:
Gross Floor area:
Elevator count:
Unit count: 1

Structure Type(s): Guyed mast
Building Use(s): Communication
Building Style(s):
Building Materials: Steel
------------------------
------------------------
City Name: Kawauchi
Native Name:
State/Province: Fukushima
Country: Japan
Population: 3203
Population Source & Year: http://en.wikipedia.org/wiki/Kawauchi%2C_Fukushima (2003)
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Official sources: http://jjy.nict.go.jp/QandA/reference/LFphoto/index.html
Unofficial sources: http://en.wikipedia.org/wiki/JJY

Building Name: Mount Hagane Transmitter
Native Name:
Other Names: JJY60 Transmitter
Address: Mount Hagane
City: Saga
Postal Code:
State/Province: Saga
Country: Japan
Official Building Website URL:
Skyscrapers.com (Emporis.info) URL:
Architect:
Interesting Facts/Records (in own words):
Mast radiator insulated against ground used for transmitting the time signal of JJY
on 60 kHz.
Mast is situated on Mount Hagane, 900 metres above sea level.

Heights--

PLEASE PROVIDE SOURCES FOR HEIGHTS, OTHERWISE WE WILL ASSUME THEY ARE ESTIMATES.
- antenna: 200 metres
- spire:
- roof:
- top floor:
- other heights:

Current Building Status (Built, Proposed, Canceled, Destroyed, etc...): Built

Construction Dates--
- started: 2001
- finished: 2001
- destroyed:


Above ground floors:
Below ground floors:
Floor-to-floor height:
Gross Floor area:
Elevator count:
Unit count: 1

Structure Type(s): Guyed mast
Building Use(s): Communication
Building Style(s):
Building Materials: Steel
------------------------
------------------------
City Name: Saga
Native Name:
State/Province: Saga
Country: Japan
Population: 239862
Population Source & Year: http://en.wikipedia.org/wiki/Saga%2C_Saga (2007)
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Look at the huge insulators on which both masts stand and which are in their guys!

M.K.
Apr 1, 2008, 3:26 PM
Done! -> Diagrams -> Thanks. :tup:
http://skyscraperpage.com/cities/?buildingID=74020
http://skyscraperpage.com/cities/?buildingID=74021