Model_XAE_IFF.jpg(242 × 159 piksel, saiz fail: 37 KB, jenis MIME: image/jpeg)

Fail ini dari Wikimedia Commons dan mungkin digunakan oleh projek lain. Penerangan pada laman penerangan failnya di sana ditunjukkan di bawah.

Keterangan The first radio recognition IFF system in the U.S. Model XAE (1937). The airborne equipment, developed at NRL, shown at the top. The shipboard equipment is shown below. When in the vicinity of friendly ships, the aircraft equipment transmitted a series of coded signals. Aboard the ship, the Yagi antenna gun shaped equipment was pointed at the aircraft, to flash.
Tarikh
Sumber [1], used on [2].
Pengarang Naval Research Laboratory, edited by User:Dammit to remove text.
Kebenaran
(Penggunaan semula fail ini)
Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
Versi lain

Captions

Add a one-line explanation of what this file represents
It appears the text is wrong

Items portrayed in this file

menggambarkan

Sejarah fail

Klik pada tarikh/waktu untuk melihat rupa fail tersebut pada waktu itu.

Tarikh/WaktuGambar kenitUkuranPenggunaKomen
semasa23:31, 16 Disember 2007Gambar kenit bagi versi pada 23:31, 16 Disember 2007242 × 159 (37 KB)Dammit{{Information |Description=The first radio recognition IFF system in the U.S. '''Model XAE''' (1937). The airborne equipment, developed at NRL, shown at the top. The shipboard equipment is shown below. When in the vicinity of friendly ships, the aircraft

Laman berikut menggunakan fail ini:

Penggunaan fail sejagat

Fail ini digunakan oleh wiki-wiki lain yang berikut:

Metadata