Frequency Range: 250 to 545 KHz
Aerial type 354N (crossed loops)
Accuracy: Up to 1.5 degrees max.
No. of valves: 7
Circa:1937
Comment:  Select this link for a more detailed look at the 579/364N DF system.

 

579 receiver. What is missing is the goinometer.

579 nameplate

Photos by Jacques Hamel

579 receiver with goinometer. (From Hydrographic Review)

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Contributors and Credits:

1) Jacques Hamel
2) Hyfrographic Review   https://journals.lib.unb.ca/index.php/ihr/article/view/27561

Dec 5/20