Ground receiving systems
iMet-16001680MHz Tracking Antenna / Receiver
With the ability to track radiosondes using both RDF or GNSS techniques, this antenna has been designed to provide military users with upper-air met data under all operating conditions. The antenna complies with all mil-spec standards ensuring excellent reliability and trouble-free system integration.

Dish diameter
Antenna gain
Slant range
Sonde compatibility
01 / Technology
Key features
- Mil-Spec Compliance: MIL-STD 810F and EMI MIL-STD 461E
- Dual tracking mode provides reliability even under conditions of GNSS jamming or spoofing
- Can be dismantled for ease of portability
- Quick deployment
- Resistant to radiosonde signal jamming
- Encrypted radiosonde data transmission
- Extensive Built-in-Test capabilities for fault isolation and maintenance
02 / Technical data
Specifications
Antenna
| Type | Automatic radiotheodolite |
| Frequency | 1668.4 – 1690 MHz |
| Dish type | Aluminium parabolic grid |
| Dish diameter | 1.2m |
| Tracking beam width | 8.4° |
| Gain | 21.6 dBi |
| Slant range | > 250 km |
Receiver
| Type | Digital, superheterodyne |
| Bandwidth | Selectable (50 – 1000 kHz) |
| Frequency control | Synthesized with AFC |
| Demodulation | FM, AM, FSK, GFSK |
| Sensitivity (12dB SINAD) | -113 dBm |
Scanner
| Type | Solid state sequential lobe scan |
| Polarization | Vertical |
Drive System
| Azimuth rotation | Continuous |
| Azimuth transfer | Slip rings |
| Elevation rotation | -5° to 91.5° |
| Motor drive | DC, harmonic gears |
| Maximum slew rate | 25°/s |
| Azimuth resolution | 0.01° |
| Elevation resolution | 0.01° |
Sonde Compatibility
| Type | RDF or GPS |
| Polarization | Vertical |
| Radiosonde Compatibility | BAT-16, iMet-1, iMet-2, iMet-4, iMet-54 |
Installation
| Type | Portable |
| Environment | all weather |
| Antenna weight | 110Kg |
| Material | Aluminium |
| Height (fully extended) | 3.0 m |
| Swing diameter | 2.0 m |
| Operating temperature | -40 °C to +60 °C |
| Relative humidity | 0% – 100% RH |
| UPS backup | 60 minutes |
| Communications | RS 422 |
03 / Product options
Ordering information
| Product Description | Product Code |
|---|---|
| Commercial 1680Mhz Tracking Antenna / Receiver | iMet-1500 |
| Military 1680Mhz Tracking Antenna / Receiver | iMet-1600 |
04 / Resources
Product documents
Brochures and product information direct from InterMet.