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Alpha
Dec 1, 2006, 9:59 AM
Omega Tower Trelew ( http://www.skyscraperpage.com/cities/?buildingID=534 )

Start construction: September 1973
Inaugauration: July 1976

Source: http://www.tech-service.net/loran/LORAN-1.XLS (requires Excel!)


Omega Tower Saint Chabrier ( http://www.skyscraperpage.com/cities/?buildingID=45643 )

Start construction: May 1st, 1973
Inaugauration: March 1976

Source: http://www.tech-service.net/loran/LORAN-1.XLS

OMEGA Transmission Mast Shushi-Wan ( http://www.skyscraperpage.com/cities/?buildingID=56833 )


Year of built: 1973

Source: http://www.tech-service.net/loran/LORAN-1.XLS

Cape Race LORAN-C Transmission Mast (1st) ( http://www.skyscraperpage.com/cities/?buildingID=56824 )

Date of collapse: February 2nd, 1993 ( source: http://www.tech-service.net/loran/LORAN-1.XLS )

Reason for collapse: fatigue failure of the eyebolt head in a compression cone insulator on a structural guy ( source: http://en.wikipedia.org/wiki/Cape_Race_LORAN-C_transmitter )

Iwo Jima LORAN-C Tower (1st) ( http://www.skyscraperpage.com/cities/?buildingID=56827 )

The collapsing tower destroyed not only the transmitter building. 6 people were also killed by this disaster.
Source: http://www.tech-service.net/loran/LORAN-1.XLS

Minami Torishima LORAN-C Transmission Mast (1st)

Mast was not dismantled in 2000, but according to http://www.tech-service.net/loran/LORAN-1.XLS already in 1985.

Minami Torishima LORAN-C Transmission Mast (2nd)

Change name to Minami Torishima LORAN-C Transmission Mast (3rd)


------------------------
Official sources:
Unofficial sources: http://www.tech-service.net/loran/LORAN-1.XLS

Building Name: Minami Torishima LORAN-C transmission mast (2nd)
Native Name:
Other Names: Marcus Island LORAN-C transmission mast (2nd)
Address: Minami Torishima ( Marcus Island)
City: Ogasawara-shicho
Postal Code:
State/Province: Tokyo Prefacture
Country: Japan
Official Building Website URL:
Skyscrapers.com (Emporis.info) URL:
Architect:
Interesting Facts/Records (in own words): Import transmitter for vessel and aircraft navigation in the Pacific Ocean. Tower replaced 411.48 metre tall Minami Torishima LORAN-C Transmission Mast (1st) and was itself replaced in 2000 by Minami Torishima LORAN-C Transmission Mast (3rd).

Heights--

PLEASE PROVIDE SOURCES FOR HEIGHTS, OTHERWISE WE WILL ASSUME THEY ARE ESTIMATES.
- antenna: 213.4 metres ( 700 ft)
- spire:
- roof:
- top floor:
- other heights:

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

Construction Dates--
- started: 1985
- finished: 1986
- destroyed: 2000


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
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LMich
Dec 1, 2006, 10:41 AM
Just so you know, Iwo Jima has been found not to be a separate municipality and the transmission mast of both Iwo Jima and Minami Torishima belong to the village/city of Ogasawara.

BTW, when was Minami Torishima LORAN-C Transmission Mast (1st) started and completed?