DEU/CZK - „JALTA“ (letecká radiostanice)

Radio station "YALTA" (Lo 70 KL 40)

Trophy radio Lo 70 KL 40 "got" for service in čs. air force mark. "YALTA" and was využívana for the radio connection together with the type of LR-10/LR-10PZ.
(Was with us mark. like "shortwave" / high frekventní (VF), but it was inaccurate simplification, because Even had. the scope of the "dlouhovlnný", to use in the air force for navigation - as the afferent of the radio station )

- I. The composition of the radio station "YALTA" (type Lo 70 KL 40 ):

*1. Receiver - superhet with 7 stage: 2 vysokofrekventní, 1 mixing, 3 intermediate frequency and 1 nízkofrekventní; 12 valves RV12P2000)
*2. The transmitter with the distributor and modulator (3 tubes LS 50)
*3. The antenna part
*4. The power part:
– ) from the network 110 or 220 V, power consumption 500VA(single-phase rectifier) or
- b) from the batteries 24 V/ 22 A (the rotational changer, selenový rectifier, filters)

II. Technical data:

a) Frequency range:
Also. range – long wave: 300 – 600 kc (kHz) /(500 – 1.000 m )
II. to IV.range – short waves: 1,5 – 7,5 Mc (MHz) / (40 – 200 m)

b) Types of operation: telegraphy continuous and tone (with the possibility of rychlotelegrafie) and fonie

c) the Performance of the transmitter when the nemodulované telegraphy 70 W to KV, 40 W to DV.

d) Dimensions:
- the receiver with the transmitter - common metal wardrobe: (578 x 440 x 367 mm)
- antenna part (228 x 440 x 367 mm);
together 814 x 440 x 367 mm;
- power supply: 560 x 400 x 267 mm.
(metal cabinets with single-phase bridge rectifier or source with an inverter have the same dimensions)

e) the Mass of the station with the antenna parts 76 kg; rectifier 35 kg; changer 40 kg.


Source:"Description and operating Instructions" issued fy. Telegrafia Prague, the factory in Pardubice, Which has provided - along with the attached photo Zdeněk Kabelík (the former. member of the joint. platoon 22. lpr in the Young).