Antenna Assembly AT-197/GR
MILITARY U.S. (different makers for same model)
- Country
- United States of America (USA)
- Manufacturer / Brand
- MILITARY U.S. (different makers for same model)
- Year
- 1950
- Category
- Antenna (Aerial) or Coupler
- Radiomuseum.org ID
- 371124
- Wave bands
- VHF incl. FM and/or UHF (see notes for details)
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- from Radiomuseum.org
- Model: Antenna Assembly AT-197/GR - MILITARY U.S. different makers
- Dimensions (WHD)
- 480 x 480 x 650 mm / 18.9 x 18.9 x 25.6 inch
- Notes
-
Antenne AIR (Aéronefs) - Sol, communication avec des avions, héhicoptères.
Fréquence: 225-400 MH
Impédence: 50 Ohms Nominal
Gain: -0.3 dBd
Polarisation: Verticale
Patern: Omnidirectionnelle
L'antenne AT-197/GR faisant l'objet de la présente spécification est destinée à être utilisée comme antenne pour des émetteurs-récepteurs radio au sol tels que les AN/GRC-27, AN/GRC-29 et AN/TRC-32, afin d'assurer les communications avec des aéronefs équipés de postes radio de commandement UHF ainsi qu'avec les stations UHF au sol requises dans la zone terminale UHF.
Il convient de noter que la spécification militaire d'origine était la MIL-A-4946 (1er mai 1950) ; elle a été remplacée au fil des ans par la MIL-A-4946 B, puis rebaptisée MIL-DTL-4946(C/D/E).
________________________________________________________________________
Air-to-Ground Antenna (Aircraft) – Communication with airplanes and helicopters.
Frequency: 225–400 MHz
Impedance: 50 Ohms nominal
Gain: -0.3 dBd
Polarization: Vertical
Pattern: OmnidirectionalThe antenna AT-197/GR covered by this specification is intended for use as an antenna for a ground radio transmitter and receiver such as the AN/GRC-27, AN/GRC-29 and AN/TRC32 for communication with aircraft equipped with UHF command radio sets and such ground UHF stations as necessary in the UHF terminal area.
Note that the original military specification document was MIL-A-4946 (1 May, 1950) and was superseded over the years by MIL-A-4946 B, and later renamed to MIL-DTL-4946(C/D/E).
- Net weight (2.2 lb = 1 kg)
- 2.785 kg / 6 lb 2.1 oz (6.134 lb)
- Literature/Schematics (1)
- DETAIL SPECIFICATION ANTENNA ASSEMBLY AT-197/GR, MIL-A-4946 (8 JAN. 1950).
- Author
- Model page created by Serge Covairy. See "Data change" for further contributors.
- Other Models
-
Here you find 415 models, 366 with images and 220 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from MILITARY U.S. (different makers for same model)
Collections
The model Antenna Assembly is part of the collections of the following members.