The ALT‑9000 Universal Radio Altimeter Flight Line Test Solution features a 12‑inch sunlight‑readable touchscreen display and 50‑ohm TX/RX direct‑connection ports with TNC connectors. The receiver supports 4.20–4.40 GHz FMCW/CDF altimeter signals, measuring frequency with ±5 MHz accuracy. It measures TX power from 4 mW to 2 W with ±2 dB accuracy and FM sweep rates from 50 to 400 Hz with ±5 Hz accuracy. FM deviation is measurable from ±20 MHz to 100 MHz within ±5 MHz. In pulse mode, it measures frequency with ±10 MHz accuracy and TX power from 1 mW to 300 W peak, providing a comprehensive test capability for modern radio altimeter systems.

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