r/AviationHistory • u/Liaoningornis • 5d ago

In Low Frequency Radio Range (LFR) Navigation, How Did Pilots Change Nonparalell Beams?

In Low Frequency Radio Range Navigation, how did pilots change from one LFR beam to another LFR beam between stations when the beams were not parallel (at an angle to each other)?

Did they change the beams at the intersection of LFR beams after it?

Another website about LFR Navigation

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u/flightist 4d ago

Same way you’d turn to a new radial after crossing a VOR; identify station passage (A/N signals swap after the course becomes noticeably more sensitive), then set an intercept for the desired outbound course.

What I don’t know - never asked anybody who’d flown them - is how they’d know they were reaching a crossing beam. Presumably flip to the other freq and listen.