Aircraft Transponder, AN/APX-1

JAN Type: AN/APX-1
Nomenclature: Aircraft Transponder
Reference: AN 08-10-246
Components: RT-22/APX-1 Receiver-Transmitter, MT-108/APX-1 Mounting Base, AS-32/APX-1 Antenna, C-54/APX-1 Control Unit, C-55/APX-1 Selector Unit, C-53/APX-1 Auxilliary Control Unit.
Weight: 33.8
Mode: Mark III IFF
Frequency Range: 157-187 & 194-212 (172-182 in Rooster) MHz
Power Input: 28 VDC @ 6 A
Power Output: 4 to 11 W
Number of Channels: Continuously Sweeps Band for Interrogation Signal every 2.2 Sec
Part of: APX-1
Antenna: AT-32
Description: Aircraft Transponder AN/APX-1 is a mark III IFF transponder. It scans the frequency range every 2.5 seconds looking for an interrogation signal and replies with a reply consisting of 6 combinations of narrow (5-9 microsec) and wide (15-34 microsec) pulses. It includes an emergency switch which send a very wide (75-150 microsec) pulse as a distress signal. It contains a distructive charge which may be set off by the pilot or by an enertia switch on crash landing. Equipment utilizes superregenerative receivers utilizing type 6C4 tubes which double as the transmitter.
Source: US Radar Survey, 1944
Manufacturer: Hazeltine Electronics Corp
Created: Fri Apr 13 17:23:58 2001
Last Modified: Fri Apr 13 17:52:09 2001

Aircraft Transponder, AN/APX-1A

JAN Type: AN/APX-1A
Nomenclature: Aircraft Transponder
Reference: AN 08-10-246
Components: RT-22/APX-1 Receiver-Transmitter, MT-108/APX-1 Mounting Base, AS-32/APX-1 Antenna, C-54/APX-1 Control Unit, C-55/APX-1 Selector Unit, C-53/APX-1 Auxilliary Control Unit.
Weight: 33.8
Mode: Mark III IFF
Frequency Range: 157-187 & 194-212 (172-182 in Rooster) MHz
Power Input: 28 VDC @ 6 A
Power Output: 4 to 11 W
Number of Channels: Continuously Sweeps Band for Interrogation Signal every 2.2 Sec
Part of: APX-1A
Antenna: AT-32
Description: Aircraft Transponder AN/APX-1(*) is a mark III IFF transponder. It scans the frequency range every 2.5 seconds looking for an interrogation signal and replies with a reply consisting of 6 combinations of narrow (5-9 microsec) and wide (15-34 microsec) pulses. It includes an emergency switch which send a very wide (75-150 microsec) pulse as a distress signal. It contains a distructive charge which may be set off by the pilot or by an enertia switch on crash landing. Equipment utilizes superregenerative receivers utilizing type 6C4 tubes which double as the transmitter.
Source: US Radar Survey, 1944
Manufacturer: Hazeltine Electronics Corp
Created: Fri Apr 13 17:23:58 2001
Last Modified: Fri Apr 13 17:23:58 2001

Aircraft Transponder, AN/APX-1AX

JAN Type: AN/APX-1AX
Nomenclature: Aircraft Transponder
Reference: AN 08-10-246
Components: RT-22/APX-1 Receiver-Transmitter, MT-108/APX-1 Mounting Base, AS-32/APX-1 Antenna, C-54/APX-1 Control Unit, C-55/APX-1 Selector Unit, C-53/APX-1 Auxilliary Control Unit.
Weight: 33.8
Mode: Mark III IFF
Frequency Range: 157-187 & 194-212 (172-182 in Rooster) MHz
Power Input: 14 VDC @ 13.5 A
Power Output: 4 to 11 W
Number of Channels: Continuously Sweeps Band for Interrogation Signal every 2.2 Sec
Part of: APX-1AX
Antenna: AT-32
Description: Aircraft Transponder AN/APX-1(*) is a mark III IFF transponder. It scans the frequency range every 2.5 seconds looking for an interrogation signal and replies with a reply consisting of 6 combinations of narrow (5-9 microsec) and wide (15-34 microsec) pulses. It includes an emergency switch which send a very wide (75-150 microsec) pulse as a distress signal. It contains a distructive charge which may be set off by the pilot or by an enertia switch on crash landing. Equipment utilizes superregenerative receivers utilizing type 6C4 tubes which double as the transmitter.
Source: US Radar Survey, 1944
Manufacturer: Hazeltine Electronics Corp
Created: Fri Apr 13 17:23:58 2001
Last Modified: Fri Apr 13 17:23:58 2001

Aircraft Transponder, AN/APX-1X

JAN Type: AN/APX-1X
Nomenclature: Aircraft Transponder
Reference: AN 08-10-246
Components: RT-22/APX-1 Receiver-Transmitter, MT-108/APX-1 Mounting Base, AS-32/APX-1 Antenna, C-54/APX-1 Control Unit, C-55/APX-1 Selector Unit, C-53/APX-1 Auxilliary Control Unit.
Weight: 33.8
Mode: Mark III IFF
Frequency Range: 157-187 & 194-212 (172-182 in Rooster) MHz
Power Input: 14 VDC @ 13.5 A
Power Output: 4 to 11 W
Number of Channels: Continuously Sweeps Band for Interrogation Signal every 2.2 Sec
Part of: APX-1X
Antenna: AT-32
Description: Aircraft Transponder AN/APX-1(*) is a mark III IFF transponder. It scans the frequency range every 2.5 seconds looking for an interrogation signal and replies with a reply consisting of 6 combinations of narrow (5-9 microsec) and wide (15-34 microsec) pulses. It includes an emergency switch which send a very wide (75-150 microsec) pulse as a distress signal. It contains a distructive charge which may be set off by the pilot or by an enertia switch on crash landing. Equipment utilizes superregenerative receivers utilizing type 6C4 tubes which double as the transmitter.
Source: US Radar Survey, 1944
Manufacturer: Hazeltine Electronics Corp
Created: Fri Apr 13 17:23:58 2001
Last Modified: Fri Apr 13 17:23:58 2001


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