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23 Cards in this Set
- Front
- Back
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DME Frequency |
UHF, 960 - 1215 MHz |
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Delay at ground transponder of DME station |
50 microseconds |
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What does the dme transponder reply frequency differ by |
63Mhz |
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What is the interrogator in DME |
Aircraft |
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Echo protection circuit in DMe |
A filter to make sure only your interrogation pulse are received |
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DME ident ...when? |
Once every 40 seconds.... the higher frequency |
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Accuracy of a DME |
+/- 0.25nm + 1.25% |
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Total system error of Dme after 1989 |
0.2nm max |
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If Dme signal is interrupted |
The system enters memory mode for 10 seconds |
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VOR And DmE co located ident |
Share the same ident |
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AWR, frequency and wavelength? |
9 GHz and 3cm |
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SSR use what frequency ? |
UHF |
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SSR use what frequency ? |
UHF |
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The ground based interrogated of a SSR sends what signal? |
Sends on 1030 MHz |
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SSR transponder, replies on what signal ? |
1090mhz |
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For SSR, when P2 signal is received is higher than P1 and P2 then |
You are receiving sidelobes |
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NDB Frequency |
190 kHz - 1750 KHz |
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Outer marker of ILS, colour and Frequncy |
400 hz blue |
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Middle marker ILS , colour and frequency |
Amber, 1300 hz |
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Inner marker ILS, colour and frequency |
White, 3000 hz |
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DME Range is |
Line of sight |
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Mode S receives long P4 pulse from an interrogator.... |
Means interrogator is transmitting a mode A/C/S all call |
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What determines the minimum and maximum unambiguous range of primary radar? |
Minimum = Pulse Length Max range = pulse repetition frequency |
