Ground receiving systems
iMet-3400Compact 403MHz Antenna / Receiver
The iMet-3400 is a compact antenna / receiver design which simplifies site installation. The antenna design has been refined to optimise overhead as well as long-range operations. This system is ideal for users that do regular synoptic upper-air observations.
2.5 kg
Antenna weight
0.75 m
UHF antenna length
All-weather
Operating environment
USB
Computer connection
01 / Technology
Key features
- Designed for synoptic soundings
- Improved overhead and long-range antenna coverage
- Compact design
- Integrated GNSS receiver providing accurate station location
- Combined antenna/receiver with single data cable interface
- All-weather operations, includes built-in heaters
- Compatible with D-Met sounding software
- Compatible with all 403MHz InterMet radiosondes
02 / Technical data
Specifications
System Overview
| Radiosonde Compatibility | iMet-2, iMet-50, iMet-54 |
| Frequency | 400.15 – 406 MHz |
| Operating Mode | Fixed Installation |
| Operating Environment | All-Weather |
| System Architecture | Digital |
| MTBF | > 20000 Hours |
| Useful Life | 10 Years |
| Operating System | D-Met |
Operating Parameters
| Power | Via USB port from PC |
| Operating Temperature | – 40 to + 55 °C |
| Antenna Weight | 2.5 kg |
| UHF Antenna Length | 0.75 m |
403 MHz Antenna
| Antenna Type | Quadrifilar Helix |
| Construction | Aluminium / Fiberglass composite |
| Polarization | Vertical, Circular overhead |
| Max Slant Range | >250 km |
| Max Altitude | >40 km |
403 MHz Receiver
| Type | Superheterodyne |
| Frequency Control | Synthesized with AFC |
| Bandwidth | 15 kHz |
| Modulation | FM, FSK, GFSK |
| Sensitivity 12 dB S/N | -118 dBm |
Installation Options
| Antenna | Roof or tower mount |
| Installation Time | Less than ½ day |
Computer Requirements
| Type | Any Current PC or Notebook |
| Operating System | Windows |
| Connection | USB |
03 / Product options
Ordering information
| Product Code | Product Description |
|---|---|
| IMET-3400 | Commercial Ground System |
04 / Resources
Product documents
Brochures and product information direct from InterMet.
