Time correction by radio waves revived for about the first time in about 40 days, Ootakadayama standard radio transmission station temporarily resumes radio transmission

ByBrandon Christopher Warren

Stop from 19:46 on March 12The "Ootakadaya standard radio wave transmission station" resumed transmission temporarily, and the radio clock became to show the correct time even in the area (Hokkaido and Tohoku) where the time correction by the radio wave became impossible .

Details on how to revive it were as follows.
Otakadaya mountain standard radio transmission station (40 kHz) resumed transmission temporarily
http://jjy.nict.go.jp/index.html


According to the official website, it seems to be as follows.

In the Ota Kadaya mountain standard radio transmission station, the evacuation instructions were issued to the surrounding area of ​​the Fukushima Daiichi Nuclear Power Station, and standard radio transmission was stopped from 19:46 on March 12 , Necessary measures were implemented and resumed temporarily at 13:54 on April 21.

In the future, there is a possibility that it is forced to stop due to lightning strikes and power outages. We are sorry for everyone using standard radio, but thank you for your understanding.

The Hagakane mountain standard radio transmission station (60 kHz) is operating as usual.

The circumstances of resuming are as follows.

Transmission restarted to radio controlled watch station Transmitting station stopped due to nuclear accident - MSN Sankei News

Ten workers including NICT (Telecommunications Research Institute) and telecommunications carriers who operate transmission stations wear protective clothing on the 21st and set up a transmission signal stop device by remote control and a backup satellite line device. As a result, unmanned operation became possible and transmission was restarted.

National Institute of Information and Communications Technology East Japan Standard Time Radio, Resume Transmission: Nikkan Kogyo Shimbun

Ten people such as NICT officials and outsourcing companies entered the site and installed a satellite line unit for communication and communication that can stop transmission remotely. There was no problem with the operation of the equipment, and since it became possible for unmanned operation, it was restarted for the first time in about 40 days.

Fukushima's "standard radio" re-open radio clock was fixed - 47 NEWS (Yona no Toshi news)

The agency said, "Since the area within 20 km from the 22nd will be a warning area, I decided to resume it before that."

Fukushima Daiichi Nuclear Power Plant: Radio Clock Restart Transmitter Posted for 40 Days - Everyday jp (Mainichi Newspaper)

According to the mechanism, when continuing transmission unattended, even if the equipment malfunctions due to lightning strikes or the like, it can not deal with it, there is a risk of confusion by sending erroneous time information, so it had been stopped so far. It became possible to stop the remote at this time when an abnormality occurs.