Viavi (Aeroflex IFR)
Marconi IFR Aeroflex NAV401L
Bench & Ramp Test Set
108 MHz to 118 MHz (VOR/ILS Localizer), 329 MHz to 335 MHz (ILS Glide Slope) Frequency Range
VOR, ILS Localizer, ILS Glide Slope, and Marker Beacon signals Signal Generation
0° to 359.9° in 0.1° increments VOR Bearing Range
30 Hz and 9960 Hz tones for VOR; 90 Hz and 150 Hz tones for ILS with high accuracy Modulation Accuracy
Adjustable RF output suitable for ramp testing and avionics bench testing RF Output Level
| Attribute | Value |
|---|---|
| Frequency Range | 108 MHz to 118 MHz (VOR/ILS Localizer), 329 MHz to 335 MHz (ILS Glide Slope) |
| Signal Generation | VOR, ILS Localizer, ILS Glide Slope, and Marker Beacon signals |
| VOR Bearing Range | 0° to 359.9° in 0.1° increments |
| Modulation Accuracy | 30 Hz and 9960 Hz tones for VOR; 90 Hz and 150 Hz tones for ILS with high accuracy |
| RF Output Level | Adjustable RF output suitable for ramp testing and avionics bench testing |
| Marker Beacon Frequencies | 75 MHz Marker Beacon simulation (Outer, Middle, and Inner markers) |
| DDM (Difference in Depth of Modulation) | Adjustable DDM for ILS Localizer and Glide Slope signal simulation |
| Power Supply | AC mains powered unit suitable for laboratory and bench use |
| Interface & Control | Front panel controls with digital display for frequency, bearing, and modulation parameters |
| Application | Designed for testing and calibration of airborne NAV receivers, avionics systems, and ILS/VOR equipment |
| Model | NAV401L |
|---|
The NAV401L Navigation Signal Generator provides precision ILS and localizer signals with high frequency accuracy, phase coherence, and adjustable modulation strength. Its portable design allows in-field calibration, making it suitable for commercial and military avionics testing.
This unit is essential for avionics development and maintenance, offering reliable signal fidelity and operational flexibility.
Testwall can supply the used NAV401L, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the NAV401L.
