RHOTHETA Elektronik
RT-1000
VHF Radio Direction Finder (VDF) System for ATC and VTS
The RT-1000 VDF system is designed specifically for ATC and VTS applications and complies with ICAO and DFS (Deutsche Flugsicherung) requirements.
The RT-1000 radio direction finder, which has become the benchmark in its class, is also known under the Rohde & Schwarz designation PA030. More than 150 systems are currently in use worldwide.
| Frequency range | air band 118.000 to 136.975 MHz marine band 156.000 to 174.000 MHz |
|---|---|
| Operating channels air band | 760 (25 kHz); 2278 (8.33 kHz); 10 preselected |
| Channel spacing | 25 kHz / 8.33 kHz1 |
| Type of modulation to be detected | A3E, F3E, A2X (ELT modulation) |
| System accuracy2 | ±2° (± 1°) RMS3 |
| Sensitivity4 | 3 μV/m typical |
| Polarization | vertical |
| Polarization error | 1° (with field vector rotation up to 45°) |
| Cone of silence | Bearing error ≤ 5° 45° |
| Power supply | AC 115 / 230 V ± 15 %; 47 to 63 Hz DC 24 V -10 % / +20 %; automatic switch-over to DC voltage at AC mains failure |
| Power consumption | Receiver unit RTR 1200.A 15 VA (65 VA with heater, 300 VA peak) Controller RTC 1100.A 15 VA |
| Bearing display | QDM; QDR; QUJ; QTE; (Resolution 1°; Response time ≤ 400 ms) Dual compass dial: QDR; 2 concentrical circles of LED points; (Resolution 10°) |
| Monitoring | Built-in loudspeaker; A3E; 500 mW; Line output 600 Ω, balanced, 0 dBm, m = 0.6 |
| Ground transmitter suppression | with external contact to ground |
| Dimensions / Mass | Receiver unit RTR 1200.A Plastic cabinet for wall mounting (IP 65) Dimensions (H x W x D) 271 x 355 x 236.7 mm; 6.5 kg Controller RTC 1100.A 19“ desktop model 3 UH, prepared for rack installation Dimensions (H x W x D ) 132.5 x 482.6 x 377 mm; 7.4 kg Antenna system RT-1000 Antenna RTA 1300.A (H x W) 3120 x 400 mm; 10.2 kg RT-1000 Antenna RTA 1300.A + Antenna mast RTA 1306.A (H x W) 5700 x 1420 mm; 120 kg |
| Lateral thrust due to wind with constant wind speed | 180 km/ h; 195 N (data with lightning rod and mast) |
| Options: | - Antenna mast construction, antenna turntable to check DF accuracy without environmental influences. It provides a folding mechanism to bring down the antenna to a level for easy maintenance. - 2nd simultaneous DF channel - Bearing precision improvement - Display and Control Software “DF Commander” - Service Kit - Multi-channel DF system with up to 34 simultaneous DF channels |
RT-1000
Accessories
DF Commander MK2 Software
The DF Commander MK2 software enables remote control and monitoring of radio direction finding systems. Besides displaying the direction finding results on different electronic charts, the software is able to calculate cross bearings on different frequencies. Soundings, cross bearing results and status information of radio direction finding systems are made available via an integrated server. Radio direction finding systems can also be set and controlled via the same server. Thus the software is to be understood as a DF service.
Antenna Model
The antenna model simulates the radio direction antenna. If the antenna model is connected to a signal generator, it delivers a signal like a DF antenna under perfect conditions. It simulates the signal angle 0 °; 90 °; 180 ° or 270 ° at its RF output; the antenna model is a very useful device for the maintenance of the DF system.
Antenna mast with test and maintenance functions
The antenna mast is a girder mast which has been developed especially for the Doppler antenna system RTA 1300; it enables the turning and tilting of the antenna for assembly and maintenance purposes. The mast will be delivered in disassembled condition. It has to be mounted and grounded after the assembly on a suitable base. The scope of delivery also includes a waterproof installation box, in which the receiver unit and remote data transmission can be located. All parts of the mast and the bolted connections are hot-dip galvanized or respectively made out of stainless steel.
Obstacle Light
The Obstacle Light is an optional safety accessory for the RT-1000 antenna mast. There exist two orderable variations: Single Obstacle Light and Double Obstacle Light. Both variations are intended for mounting on the top of the RT-1000 antenna mast.
Single Obstacle Light is a single-light-construction, which contains a light bulb in its housing and a corresponding mounting frame.
The Double Obstacle Light is a construction with two lights, which have an identical structure as the Single Obstacle Light. While the first lamp is in operation (operation lamp), the second lamp is in standby (standby lamp). In case of the failure of the operation lamp, the standby lamp will be automatically switched on. Furthermore the construction includes the IP 64 connection box and the corresponding mounting frame.
Antenna Mastflange
The antenna mast flange allows the installation of the RT-1000 antenna on any construction. CAD drawings for integration are available on request.
Additional Bearing Channel
The bearing system can be equipped with an additional receiver module and an additional controller. In this way, two workstations can work on different frequencies simultaneously with the system.
DF-Emulator Software
The "DF Emulator" is a software that emulates a bearing system on a Windows PC by playing a pre-recorded log file. In the simplest case, the DF emulator uses the serial COM port of the PC to transfer the data via RS232 to another PC or system that displays the bearing data. This software is designed for projects like bearing data integration in radar displays or other map- and control displays and is intended to facilitate the work of integrators.
SNMP Modul
SNMP Module is an optional hardware that provides the remote error monitoring of RHOTHETA RT-1000 direction finder systems over the Simple Network Management Protocol.
RT-1000
References
RT-1000
