Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
What is ALE |
Makes use of recently measured frequencies which are stored in a memory matrix in order to select the best usable frequency |
|
|
What are the 3 ALE address types |
Self Individual Net |
|
|
How many self addresses can a radio have? |
20 |
|
|
Are individual address able to be transmitted in plain text? |
Yes |
|
|
What is associated self? |
The address that your radio will be seen as by everybody else |
|
|
What is LQA? |
LQA is used to predict the best channel in the channel group shared with other radios on the net |
|
|
What does the optimal frequency depend on? (4) |
Distance between local and remote station Propagation path Time of day Noise or radio interference on one or more of the frequencies being evaluated |
|
|
What are the different types of ALE calls? |
Automatic Manual All Any Individual Net |
|
|
What is an AMD and how is it sent? |
It is an automatic message display used to send short text messages, always sent in clear. |
|
|
How many batteries in a pinny? |
4 12v batteries. 2 for the vehicle connected in series providing 24vdc charged by alternator. 2 fitted for radio (ffr) in series charged from alternator or 230vac |
|
|
What must be ensured to use/charge batteries? |
Isolation switch located behind passenger seat must be on. |
|
|
What is the max output of the ffr when converted from 24vdc to 230vac? |
600w |
|
|
What is best practise when you turn the vehicle isolation switch on? |
Turn in the ffr isolation switch to allow vehicle alternator to charge ffr batteries |
|
|
When can you use the air conditioning? |
The vehicle is running and ffr batteries are charging 230VAC is applies and ffr batteries are charging |
|
|
What is the max output for a 117 connected in a pinny? |
50w for fm, tcm and satcom 20w for am |
|
|
What message is displayed when you turn on the 117 (if connected correctly) |
Alert ext pa connected |
|
|
What 3 power settings are there for the 150 in the pinny? |
Low - 10w Medium - 50w High - 125w |
|
|
What is the minimum power to tune pinny coupler? |
10w Rf |
|
|
List five 117 characteristics |
Freq ranges 30 - 512mhz Max Rf output 20w Am and fm modulation Data or voice capable Selectable operating modes |
|
|
What are the 3 normal 117 operating modes? |
LOS fixed freq Freq hopping UHF Satcom |
|
|
What are 4 other 117 operating modes? |
UHF dama satcom Scan Retransmit Beacon mode |
|
|
What are 7 features of the 117? |
Built in test Clone Security Havequick guard receiver Remote control Ext gps interface Otar/otat |
|
|
What is otar/Otat? |
Over the air re-key Over the air transfer |
|
|
What are the 3 crypto fill types for the 117? |
Tek (traffic encryption key) Kek (key encryption key) Tsk (transmission security key) |
|
|
What does an eset consist of? |
The Tsk Net ID The hopset |
|
|
What are the four 117 comsec modes? |
Kg84 - data encryption Vinson - encryption for all voice Andvt - Nb satcom voice encryption Fascinator - voice input only |
|
|
What are the 3 frequency bands for the 117 |
Vhf low - 30-89.99999 mhz Vhf high - 90-224.99999 mhz UHF - 225-512 mhz |
|
|
Which two modes support am? |
Vhf high and UHF |
|
|
What is the freq range for sincgars? |
30-87.975mhz |
|
|
What is the freq range for Havequick? |
225-399.975mhz at 8 hops per second |
