LORAN

The radio signal system is called LORAN, for Long Range Navigation.

The Roanoke Times: Home page 2010

Radio aids performed best after sunset owing to better atmospherics, and LORAN LOng RAnge Navigation beams could be tracked 700 miles from base during day and upward of 1,000 at night—a huge advantage when flying overcast skies.

Whirlwind Barrett Tillman 2010

Radio aids performed best after sunset owing to better atmospherics, and LORAN LOng RAnge Navigation beams could be tracked 700 miles from base during day and upward of 1,000 at night—a huge advantage when flying overcast skies.

Whirlwind Barrett Tillman 2010

“Will they have to get a specific set of maps to see the Gyres and build up some LORAN-E charts or whatever GPS they need for other coastal waters?”

Gyre and Gimble 2009

“Will they have to get a specific set of maps to see the Gyres and build up some LORAN-E charts or whatever GPS they need for other coastal waters?”

Gyre and Gimble 2009

There's a ground-based system that you can use for GPS called LORAN.

CNN Transcript May 20, 2009 2009

So people are talking about this, partly because they're saying if this fails, we want to make sure we have LORAN as a backup.

CNN Transcript May 20, 2009 2009

Pre fancy things like LORAN, Decca and GPS they would have used a sextant – like I did crossing the Tasman in a yacht in 1956 and the Pacific on the Bounty – but without Marlon Brando in 1961.

Buckets and Engines « Climate Audit 2007

LORAN-A was also implemented in many other parts of the world such as in the far east and used until recently.

Buckets and Engines « Climate Audit 2007

DECCA was always a 70 – 130 kHz radio band-based system but worked by measuring the phase differences between continuous signals rather pulses pulse delays as LORAN systems do.

Buckets and Engines « Climate Audit 2007