SBE SB1-LA

Overview The SBE SB1-LA was a vacuum tube linear RF amplifier produced by Side Band Engineers during the early 1960s for amateur radio operation. It was designed primarily for use with SBE single sideband transceivers such as the SB-33 and … Continue reading

AEA PC-PAKRATT

Overview AEA PC-PAKRATT was a DOS-based terminal and communications control software package developed by Advanced Electronic Applications (AEA) for use with their packet radio and digital communications controllers, particularly the PK-232 and PK-87 Terminal Node Controllers (TNCs). The software transformed … Continue reading

Hewlett-Packard 400C Vacuum Tube Voltmeter

Overview The Hewlett-Packard 400C is a precision AC vacuum tube voltmeter (VTVM) introduced around 1949 as an improved successor to the earlier HP 400A series. The instrument was designed for laboratory, communications, and electronic service applications requiring accurate wide-band AC … Continue reading

AEA PK-232MBX

Overview The AEA PK-232MBX was an enhanced version of the AEA PK-232 multifunction terminal node controller (TNC) manufactured by Advanced Electronic Applications (AEA). Designed for amateur radio digital communications, the PK-232MBX expanded upon the original PK-232 by adding mailbox capabilities, … Continue reading

AEA PK-232

Overview The AEA PK-232 was a multifunction terminal node controller (TNC) manufactured by Advanced Electronic Applications (AEA) for amateur radio digital communications. Introduced during the 1980s, the PK-232 integrated several digital operating modes into a single desktop unit designed for … Continue reading

Globe Star Deluxe 300

Overview The Globe Star Deluxe 300 was a tube-type Citizens Band base transceiver marketed by G.C. Electronics during the 1960s. The radio used vacuum tube circuitry with crystal-controlled channel operation and was intended for fixed-station home or business communications use. … Continue reading

Shakespeare 740

Overview During the 1960s and 1970s, it was common for American CB companies to import radios from Japanese OEM manufacturers and market them under their own brand names. Matsushita Electric Industrial Co. (later Panasonic) produced radios for multiple private-label distributors … Continue reading

Sony HDR-XR150

Overview The Sony HDR-XR150 is a Full HD camcorder in the Handycam series that uses an internal hard disk drive (HDD) for video storage, along with support for removable media. It was positioned as a higher-capacity alternative to flash-based CX … Continue reading

Sony HDR-CX150

Overview The Sony HDR-CX150 is a compact Full HD camcorder in the Handycam series, designed for consumer video recording with internal flash memory and support for removable media. It builds on entry-level models by adding onboard storage and maintaining strong … Continue reading

Sony HDR-CX110

Overview The Sony HDR-CX110 is a compact Full HD camcorder from Sony’s Handycam lineup, designed for consumer video recording using solid-state media. It records high-definition video to removable memory cards and emphasizes portability, long zoom range, and ease of use. … Continue reading

Samsung SC-HMX20C

Overview The Samsung SC-HMX20C is a high-definition digital camcorder introduced around 2008, designed for consumer use with solid-state recording. It combines Full HD video capture, internal flash memory, and SD card expansion in a compact handheld design. Technical Specifications Specification … Continue reading

Cobra 148GTL-DX

Overview The Cobra 148GTL-DX is a high-performance mobile CB radio produced by Cobra Electronics. It is one of the most well-known SSB-capable CB radios, valued for its strong transmit/receive performance and popularity among enthusiasts and long-distance operators. Technical Specifications Item … Continue reading

Craig L-104

Overview The Craig L-104 is a vintage mobile CB radio produced by Craig Corporation. It is a 40-channel AM transceiver designed for basic communication, typical of entry-level CB radios from the late 1970s to early 1980s. Technical Specifications Item Details … Continue reading

President 711

Overview The President 711 is a vintage mobile CB radio produced by President Electronics. It is a 40-channel AM transceiver designed for basic mobile communication, similar to other entry-level President models from the CB radio boom era. Technical Specifications Item … Continue reading

President AX-44

Overview The President AX-44 is a vintage mobile CB radio produced by President Electronics. It is a 40-channel AM transceiver designed for everyday mobile communication, positioned as a mid-range unit within President’s earlier CB lineup. Technical Specifications Item Details Model … Continue reading

President AR-7

Overview The President AR-7 is a vintage mobile CB radio produced by President Electronics. It is a basic 40-channel AM transceiver designed for straightforward mobile communication, typical of early President entry-level models. Technical Specifications Item Details Model President AR-7 Manufacturer … Continue reading

Cobra 25 GTL

Overview The Cobra 25 GTL is a mobile CB radio in the same family as the Cobra 25 LTD series, with “GTL” typically indicating a version equipped with additional tuning features such as Delta Tune. It is a compact 40-channel … Continue reading

Cobra 25 LTD

Overview The Cobra 25 LTD is a compact mobile CB radio known for its durability and simplicity. It is one of Cobra’s long-running models, widely used in trucking, off-road, and general mobile communication applications. Technical Specifications Item Details Model Cobra … Continue reading

Cobra 21

Overview The Cobra 21 is a compact mobile CB radio designed for basic communication needs. It is part of Cobra’s entry-level lineup, offering essential CB functionality in a small form factor suitable for vehicles with limited space. Technical Specifications Item … Continue reading

Allen-Bradley MicroLogix 1100

Overview The Allen-Bradley MicroLogix 1100 is a compact programmable logic controller (PLC) designed for small-scale automation applications. It combines embedded I/O, Ethernet communication, and online editing capabilities in a low-cost platform suitable for standalone machines and simple process control. Technical … Continue reading

Westinghouse 35121 Portable Ammeter

Overview The Westinghouse 35121 is a portable analog ammeter designed for measuring electrical current in field, laboratory, and industrial applications. Built for durability and accuracy, it was intended for technicians working on power systems, electrical equipment, and maintenance tasks. Technical … Continue reading

Schaeffer & Budenberg Tachometer

Overview Schaeffer & Budenberg produced mechanical tachometers designed to measure rotational speed (typically in revolutions per minute, RPM) for industrial and laboratory applications. These instruments were commonly used in conjunction with steam engines, electric motors, and rotating machinery where accurate … Continue reading

Hewlett-Packard AC-60A

Overview The HP AC-60A Line Matching Transformer was an accessory produced by Hewlett-Packard for use with audio and measurement equipment. It was designed to provide impedance matching and signal isolation between different pieces of equipment, particularly in laboratory and test … Continue reading

Yaesu XF-115C

Overview The Yaesu XF-115C is an optional narrowband CW filter designed for use in select Yaesu HF and HF/VHF/UHF transceivers. It improves receiver selectivity by reducing the IF bandwidth, allowing better isolation of weak signals in crowded band conditions. This … Continue reading

Autek Research QF-1A

Overview The Autek Research QF-1A is an active audio filter designed for radio receivers and transceivers. It improves intelligibility under difficult band conditions by providing adjustable filtering and notch capabilities for SSB, CW, and AM operation. The model is no … Continue reading