
( Brand: Collins ), ( Part Type: Aviation Com ), ( Core Charge: Outrite )
The Collins TDR-90 (622-12700-01) is a high-performance, professional-grade, handheld direction finder (DF) designed for use in the aviation industry. This device is specifically designed to aid in the rapid and accurate location of aircraft in distress, making it an essential tool for search and rescue operations.
The TDR-90 features a compact and lightweight design, making it easy to carry and operate in various environments. It operates on the VHF frequency range, allowing it to detect and track aircraft equipped with emergency locator transmitters (ELTs). The device uses advanced direction-finding techniques, such as phase-locked loop (PLL) and frequency modulation (FM) demodulation, to provide accurate bearings and distances to the ELT signal.
The display on the TDR-90 is a high-resolution, backlit liquid crystal display (LCD) that provides clear and easy-to-read information, including bearings, distances, and signal strength. The device also features a built-in antenna and a rugged, water-resistant housing, ensuring it can withstand harsh environments and weather conditions.
The TDR-90 is powered by a rechargeable lithium-ion battery, which provides up to 12 hours of operation on a single charge. The device also includes a charging cradle, making it easy to recharge the battery when not in use.
In summary, the Collins TDR-90 (622-12700-01) is a powerful and reliable direction finder that is essential for search and rescue operations in the aviation industry. Its compact design, advanced direction-finding techniques, and high-resolution display make it easy to use and provide accurate and reliable information. The device's rugged housing and long battery life ensure it can withstand harsh environments and operate for extended periods.
The Collins TDR-90 (622-12700-01) is a highly regarded handheld digital radio that offers several advantages and a few potential drawbacks.
Pros:1. Excellent reception: The TDR-90 is known for its exceptional signal reception, making it a reliable choice for areas with weak or intermittent coverage.
2. Durable design: The radio is built to withstand harsh environments, featuring waterproof and dustproof construction.
3. Long battery life: The TDR-90 has a long-lasting battery, which can provide up to 25 hours of operation on a single charge.
4. Multiple power options: The radio offers multiple power sources, including AA batteries, a built-in rechargeable battery, and an optional AC adapter.
5. Programmable: The TDR-90 allows users to program up to 2,000 channels, making it a versatile option for various applications.
Cons:1. Limited frequency bands: The TDR-90 only supports VHF and UHF frequencies, which may not cover all the bands used by certain services or regions.
2. Lack of GPS: The radio does not have a built-in GPS, which may be a disadvantage for users who need location-based features.
3. No Bluetooth connectivity: The TDR-90 does not support Bluetooth, which may limit its compatibility with modern devices and accessories.
4. Price: The TDR-90 is relatively expensive compared to some other handheld radios on the market.
In conclusion, the Collins TDR-90 is an excellent choice for users who require a reliable, durable, and high-performing handheld radio, particularly in environments with weak or intermittent coverage. However, its limited frequency bands, lack of GPS, and lack of Bluetooth connectivity may be drawbacks for some users. If these features are essential, users may want to consider alternative options that better meet their specific needs. Overall, the TDR-90 is a high-quality radio that is worth considering for its excellent reception, durability, and long battery life.
FAA Tao: c74b or c74c, class 1a FCC rules: part 87 RCA: do-138 envy. 5 v dc -20, Noted this unit has a very strong cavity. It has not been used since tested.
This unit has very few hours in service. Was tested by Houston beech craft.
The 8130 is attached.
Cat ad a Jung Exxon temperature: 54 to 55 c continuous 71c for 30 minutes altitude: 45000 ft.

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