Vol3 CDC 3D153 URE1

1. (401) Which type of diversity requires two antennas, two receivers, and two transmitters?

Polarization

Crossband

Frequency

Space

2. (401) Which jack field in the AN/TRC–170's baseband patch panel provides timing and data connections?

Middle

Center

Upper

Lower

3. (401) The quick reaction antenna for the V3 AN/TRC–170 terminal uses

Two 6-foot-diameter, linearly dual-polarized antennas.

Four 6-foot-diameter, linearly dual-polarized antennas.

Two 9.5-foot-diameter, linearly dual-polarized antennas.

Four 9.5-foot-diameter, linearly dual-polarized antennas.

4. (402) In the Tropo/Satellite Support Radio's baseband assembly, a 1-volt peak-to-peak input signal results in how much frequency deviation in the transmitter?

±4 MHz.

Less than ±4 MHz.

More than ±4 MHz.

No signal deviation

5. (402) The maximum distance a Tropo/Satellite Support Radio can operate with the 2-foot antenna is?

10 miles

25 miles

100 miles

250 miles

6. (401) The MD–1026 digital data modem can interface up to four groups of?

Balanced non-return-to-zero (NRZ) signals

Conditioned diphase signals

Unbalanced NRZ signals

Isochronous signals

7. (401) Digital voice orderwire traffic that originates at the AN/TRC–170's voice orderwire control unit is encrypted by the?

KY-68 digital secure voice terminal/phone

KY-58 VINSON encryption device

KG-84 dedicated loop encryption device

KG-81 trunk encryption device

8. (401) The tropospheric scatter modem processes mission traffic at data rates of 128 through 4,096 Kbps in the?

512 Kbps data rate family

576 Kbps data rate family

1,024 Kbps data rate family

1,152 Kbps data rate family

9. (402) The Tropo/Satellite Support Radio frequency coverage extends from?

4.4 to 5.25 GHz.

7.25 to 8.4 GHz.

14.4 to 15.25 GHz.

17.25 to 18.4 GHz

10. (401) Which unit in the AN/TRC–170 terminal contains the rubidium standard?

Electrical frequency synthesizer.

Frequency subsystem unit.

Tropospheric scatter modem.

Transmitter-amplifier converter.

11. (402) What is the intermediate frequency of the Tropo/Satellite Support Radio?

70 MHz with a 10 MHz bandpass.

70 MHz with a 20 MHz bandpass.

700 MHz with a 10 MHz bandpass.

700 MHz with a 20 MHz bandpass.

12. (401) In an AN/TRC–170 terminal, the quantity of digital group multiplexer units supplied and their application are?

Different in the V2 and V3 systems

Identical in the V2 and V3 systems

Dependent on the mission and number of channels

Dependent on the deployment of the technical control

13. (401) When using space diversity, the AN/TRC–170 receive antenna spacing should be a minimum of?

10 Wavelengths apart

25 Wavelengths apart

50 Wavelengths apart

100 Wavelengths apart

14. (402) In the Tropo/Satellite Support Radio frequency assembly, what permits the transmitter and receiver to be connected to the same antenna?

Circulator

Combiner.

Coupler.

Hybrid.

15. (401) Which type of encryption device does full-duplex encryption of AN/TRC–170's group or supergroup mission traffic?

KY-68 digiital secure voice terminal/phone

KY-58 VINSON encryption device

KG-84 dedicated loop encryption device

KG-81 trunk encryption device

Vol3 CDC 3D153 Ure1