Working of German radars

Würzburger Riese
In fixed emplacement or mounted on tracks
Use:	Apparatus for fighter guide, height measurement and communication
Research sphere:	360° mechanical horizontal oscillation
a	Vertical mechanical obscillation from -5° to +95°
Range:	80 km research
a	Sounding 50-60 km
Error margin:	+/- 100 m
Sounding accuracy:	Horizontally +/- 0,2°
A	Vertically +/- 4/16°
Weight:	15 t
Size:	Height 7,9 m
a	width 7,5 m
Resistance to jamming:	No info
Charateristics:	None
a

Freya - Fahrstuhl

Fixed emplacement

Use:

Height measuring device

Research sphere:

360° mechanical rotation

Range:

Height:

Range:

2000 m

65 km

(Depending on the height

6000 m

160 km

and the distance of the aircraft)

8000 m

185 km

10000 m

230 km

Error margin:

+/- 200 m

Sounding accuracy:

Horizontally 1,5°-2°

Vertically depending from height and distance of the target

between +/- 50 m e +/- 1000 m

Weight:

17 t

Height:

20,3 m

Resistance to jamming:

2 distributed frequencies ( 1,80 m und 2,80 m )

Carateristics:

None

The approximate individuation of approaching enemy fighter formations does not allow to individuate single aircraft flying in formation, but only to detect them altogheter, set their height, course and distance.

Freya detects the approaching formation at a great distance, gives the alarm and “commits” the enemy flight to the Würzburg-Riesen Nr.1. At the same time, the Würzburg-Riesen Nr.2 has in its range a night fighter immediately sent after the alarm and addresses it against the enemy flight. The Fighter Guide Officer on the ground keeps in contact with the night fighter pilots and corrects their course according to the information from his radar screen. If the pilot is close enough to the approaching enemy airplane, he search it authonomously with the onboard radar and attacks it as soon as it is recognized clearly on the radar screen. Similarly to the night fight system, the searchlights and the AA batteries are guided with the Freya and Würzburg: Freya: long range detection, alarm, handover of the target to Würzburg, Würzburg: direction of searchlights and Flak towards the enemy flight.

Coloured rays -
red for an enemy fighter,
blue for a German fighter,
that are cast onto an analysis desk, make the interception of the enemy aircraft possibile.