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yahya

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  1. I am looking for more information about the AC-47 mission avionics during the Korean War. These were the venerable Dakotas fitted with dedicated radio receivers and other electronic equipment to intercept North Korean messages while airborne. Ca. 26 such planes were converted by Hayes in 1953. Does anyone know the mission complement of these planes? The AC-47 planes were renamed EC-47 after 1962. Please do not confuse these planes with the AC-47D Spooky counter-insurgency planes. During the Korean War, armed Dakotas could have been named the FC-47.
  2. I am looking for information about the aircraft, which were used after WW II on the special flights to resupply Ukrainian insurgency. The op was run by the British. I am particularly interested in the airdrop that took place on 14 May 1951 in western Ukraine and eastern Poland. Myron Matviyeko of the OUN (Bandera faction) security service was parachuted into the Ukraine then. Another team of OUN agents was parachuted into Poland from the same aircraft. There are unconfirmed reports that the aircraft was an Avro Lancaster, which departed from Cyprus and was manned by a Hungarian mercenary
  3. I am looking for a sketch or image of the TR1196 HF radio control unit. It belonged to the transceiver, which covered 4.3MHz-6.7MHz in maximum of four spot channels. If someone has it, it would be appreciated if the image could be shared on the forum. The control unit that appeared on https://pa0pzd.com/airforce-radio-ww2/raf-tr-radios-ww2/raf-tr-radios/ may not be exactly from the TR1196 set. Another image from an RCAF Lancaster showed a HF and a VHF radio control units, which look almost identical. Source: AVRO LANCASTER BOMBER - WWII ERA ELECTRONICS FIT
  4. Indeed. Perhaps that was the editor's fault. The first instance can be found on p. 38 of Streetly's 1983 book. In the same book, a mysterious array of aerials on a Halifax is shown on p. 40. He attributed all of them to the Mandrel jammer. However, two pages later in Fig. F he correctly stated the purpose of the Pitot tube, and named the whips under the navigator's office of a 192 Sq. Halifax as unid. I believe the whip next to the Pitot tube was a VHF antenna for the TR1143 VHF COM radio. Fig. F in the book also showed two small dipoles for the search receivers, which are a novelty to me. Jud
  5. Thank you very much indeed for the answer and the interesting information. I am still puzzled by the whip antenna under the Halifax navigator office, since similar antennas can be also found on the earlier versions of the Halifax. These were not equipped with the ECM jammers or Gee. I believe that the L-shaped tube numbered '5' located just under the nose in the first sketch was the Pitot tube. There is a video presentation of the interior of the Halifax on YT. I spotted the control unit of the VHF COM radio (eg. the TR1133 or TR1143) on the LH wall next to the pilot's
  6. I am looking for information on the special duty Halifax avionics setup and the associated antenna array. I am particularly interested in the role of an odd whip antenna installed just below the navigator's stand, which can be seen on the images from the links below. https://ww2aircraft.net/forum/attachments/img806-jpg.640900/ https://ww2aircraft.net/forum/attachments/img807-jpg.640901/ https://ww2aircraft.net/forum/attachments/img808-jpg.640902/ Was it connected to a VHF AM com radio, which replaced the obsolete TR9F high frequency com radio? The
  7. If this thread is still alive, I will share my findings on the IIICJ cockpit and the avionics setup. Given that the C version was rather austere, and if the IIICJ photos from the post above are accurate, then, the IIICJ cockpits were fitted with the following electronics: CSF Cyrano II Ibis (DR-AC-36) radar plus the associated missile launch electronics CSF 95 gunsight Omera/Segid TR-AP-22 and TR-AP-21 UHF COM radios (unless only one such radio was installed on the IIICJ) CSF NR-AN-11 radio compass (ADF) Hazeltine AN/APX-25 IFF with SIF or the similar, license-b
  8. yahya

    U-2 antenna

    Thank you for the replies. I am also very much interested how the plane looked like on the very mission and what kind of avionics it carried on board. It seems that Article 360 was fitted only with an AN/ARC-34 UHF radio, which the Soviets recovered, and an AN/ARN-6 radio compass (aka ADF), which apparently wasn't found. The directional antenna of the ADF was installed in the nose under the radome, while the sense antennas were installed on the outer walls of both air intakes. The plane was also equipped with the Granger Box jammer (aka System IX) to be used -- in theory -- against the SA-2 ra
  9. yahya

    U-2 antenna

    Does anyone have an authoritative information on the externally visible antennas on Article 360 other than the UHF for the AN/ARC-34 radio just under the cockpit? Did it use the long wire antenna stretched between the upper part of the fuselage and the vertical stabilizer? Did it have an L-shaped VHF antenna under the fuselage?
  10. Did the Power's U-2 have the long-wire antenna stretched between the fuselage and the vertical stabilizer?
  11. Did the Powers' U-2 have the long wire antenna stretched between the upper side of the fuselage and the vertical stabilizer?
  12. Check here: https://www.avialogs.com/reader.php?jid=56432#p=1
  13. Could someone share the pages from the original flight manuals that list and elaborate the C-123B and K avionics suite please?
  14. The high altitude was not the only defense. The documentation on the 1960 U-2 incident mentioned that Powers' U-2 was fitted with the Granger box. It was a jammer to be used against the S-75 radar. Whether it was powered on while over Sverdlovsk remains unattested. Apart from the cameras, Powers' U-2 also carried a SIGINT package to monitor and record Soviet radars signals. The Soviets used the remains of these systems as the evidence against Powers in the court. These items were particularly incriminating. Wiki picture with the Granger box circuit breaker field.
  15. Well, could the U-2 operate effectively at night in the photo recce mode? Would an IR photo be sharp enough to provide any meaningful intelligence? Obviously I am not taking into consideration the SIGINT payload that the plane could carry, as well.
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