RHOTHETA User Manual RT-800
Page 178 of 192
9 Technical Data
9.1 Electrical Characteristics
System Characteristics
Parameter
Condition
Data
Method of Bearing
Doppler (3 kHz rotation frequency)
Bearing Accuracy
≤ 2° RMS
1
Display Resolution
1°
Minimum Signal Duration
≤ 100 ms
Frequency Range
VHF Air Band
118.000 – 124.000 MHz
118.000 – 136.992 MHz (Option F1)
VHF Marine Band 154.000 – 163.000 MHz
137.000 – 224.995 MHz (Option F2)
UHF Air Band
240.000 – 246.000 MHz
225.000 – 399.975 MHz (Option F3)
COSPAS-SARSAT 400.000 – 406.092 MHz
UHF FM-Band
406.100 – 410.000 MHz
406.100 – 470.000 MHz (Option F4)
Receive Frequency
Tuning Steps
VHF Air Band
8.33 kHz
Marine Band
5 kHz
UHF Air Band
25 kHz
COSPAS-SARSAT 8.33 kHz
UHF FM-Band
5 kHz
Bearing Sensitivity
Continuous Signal
(±5° bearing fluctuation)
VHF Air Band
≤ 4 µV/m / 2.5 µV/m typical
Marine Band
≤ 3 µV/m / 2 µV/m typical
Extended Marine
Band above 174
MHz
≤ 5 µV/m / 3 µV/m typical
UHF Air Band
≤ 6 µV/m / 4 µV/m typical
COSPAS-SARSAT ≤ 6 µV/m / 4 µV/m typical
UHF FM-Band
≤ 6 µV/m / 4 µV/m typical