Make
Aerotron
Model
1939-0824-113
Freq Range
440-512 Mhz
Overview
The Aerotron 1939-0824-113 is a VHF land mobile radio unit produced by Aerotron, Inc. during the mid-20th century. This model number format is typical of Aerotron contract or system-specific equipment, often used in public safety, utility, or industrial communications systems. These units were designed for continuous-duty operation in fixed installations.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Aerotron, Inc. |
| Model | 1939-0824-113 |
| Type | VHF radio unit (system-specific configuration) |
| Service | Land mobile radio |
| Frequency Range | Model-dependent (commonly 30–50 MHz or 150–174 MHz) |
| Modulation | FM |
| Power Source | AC-powered (base station typical) |
| Construction | Tube-type |
| Duty Cycle | Continuous duty |
| Cooling | Natural or fan-assisted |
Physical Description
The Aerotron 1939-0824-113 is typically housed in a heavy-duty metal enclosure intended for rack or cabinet installation. Front panel features generally include power controls, indicator lamps, and metering for system monitoring. Depending on the configuration, the unit may function as part of a transmitter, receiver, or repeater system. Internally, it uses vacuum tubes, transformers, and point-to-point wiring consistent with Aerotron’s commercial-grade construction.
History
Aerotron, Inc. produced a wide range of communication equipment for professional applications from the 1950s through the 1970s. Model numbers such as 1939-0824-113 were often assigned to contract-specific builds or subsystem components rather than general retail products. These units were deployed in mission-critical communication systems and are now primarily encountered in legacy installations or specialized collections.