Rehbock
a German test equipment, which could accurately calibrate the radar's range reading

by Arthur O. Bauer

The Germans used a very cleverly designed apparatus, which employed piezo-electric and acoustic phenomena in either directions. It is based on the fact that "time and range" are proportional.

Its nomenclature was: FuZG xx (Funkzielgerät)

Würzburg and Manheim apparatus used type FuZG 64, whereas FuG 220 = Liechtenstein SN 2 used type FuZG 220. Only 1500 sets had been built (according Hoffmann-Heyden's "FAS III"). Calibration teams throughout Europe visited the radar sites about every three months.

This contribution is based upon my year 2000 London Symposium paper.

(pdf)

Shown is, a screen photo from a Würzburg radar display unit ANG 62, which was taken in 1983/84. Employing the Würzburg apparatus (FuSE62 D - FuG 62 D) electrically. The radar pulse (TP) was absorbed in a dummy load. Parallel onto it, was linked the Rehbock FZG 64 range calibrator unit. For this occasion, the Urechse SÜ 62d transmitter and receiver module was set at ≈ 525 MHz (Insel B). Consider also my Würzburg book: Deckname Würzburg (Wuerzburg, Wurzburg), and: Exhibits

AT = artificial target signals received from the Rehbock range calibrator (transponder)

TP = transmitter pulse at range = 0 hm (hekto meter(= hecto metre), a distance measure,  generally, used by German artillery and Flak)

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