General Motors model T-85 / APT-5 radar jamming transmitter
date: label: date made
content: c. 1944
label: date made
content: ca 1944
name: label: maker
content: General Motors Corporation. Delco Electronics Division
notes: label: Description (Brief)
content: Marked: Box stenciled: "File No. 1285-Day-44 / 1 Ea. Radar Transmitter / T-85 / APT-5 With tubes / in Sockets - Less Handbook of Instructions. / S.C. Stock No. 2C6900-85 / Item 1 / Serial No. 280". On top: "Danger / High Voltage". Nameplate on unit: "T-85/APT-5 / 80/115V 1 0 400-2600 & 24V DC. / A-280: CKV 1285-Day-44". A "Carpet IV" radar jamming transmitter for aircraft, designed for rack type mounting. Two carrying handles on unit. Controls on panel include main tuning, antenna circuits. Bias adjustments, oscillator and modulator controls are also available. Frequency range 350-1200 MHz, L-Band semibarrage transmitter, manufactured by General Motors (Delco Div.) and used in B-17, B-24, B-47A/B, RB-47K. Reference: "APT-5 Test Data Sheet," Nov. 19, 1944," supplied with instrument.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321695
label: catalog number
content: 321695
label: accession number
content: 241556
objectType: label: Object Name
content: radar transmitter
physicalDescription: label: Measurements
content: overall: 7 3/4 in x 10 1/4 in x 19 3/4 in; 19.685 cm x 26.035 cm x 50.165 cm