TABLE 9-2. TRANSMISSION ATTRIBUTES GROUP (T)

R
O
W

PARAMETER

MAX
FIELD
SIZE

CODE
NAME

DEFINITION

1

DATA SOURCE ID

32

T-x\ID

DATA SOURCE ID CONSISTENT WITH GENERAL INFORMATION GROUP

SOURCE RF ATTRIBUTES

2

TRANSMITTER ID

12

T-x\TID

TRANSMITTER IDENTIFICATION

3

FREQUENCY

6

T-x\RF1

CARRIER FREQUENCY, IN MHz. IF PROGRAMMABLE, ENTER ‘P’, AND DEFINE IN COMMENT RECORD.

4

RF BANDWIDTH

6

T-x\RF2

TOTAL RF BANDWIDTH (-60dB) OF MODULATED SIGNAL, IN MHz.

5

DATA BANDWIDTH

6

T-x\RF3

COMPOSITE BASEBAND DATA BANDWIDTH (3dB), IN kHz.

6

MODULATION TYPE

4

T-x\RF4

DEFINE THE MODULATION TYPE: ‘FM’ ‘PM’ ‘BPSK’ ‘DPSK’ ‘QPSK’ ‘OTHR’

7

TOTAL CARRIER MODULATION

6

T-x\RF5

FOR FM SYSTEM DEFINE TOTAL CARRIER DEVIATION, PEAK-TO-PEAK, IN kHz. FOR PM SYSTEM DEFINE TOTAL PHASE MODULATION, PEAK-TO-PEAK, IN RADIANS.

8

POWER (RADIATED)

4

T-x\RF6

TOTAL TRANSMITTED POWER WHEN MODULATED, IN WATTS.

9

NUMBER OF SUBCARRIERS

2

T-x\SCO\N

NUMBER OF SUBCARRIERS IN THE COMPOSITE BASEBAND WAVEFORM, n. IF NONE ENTER ‘NO’.

10

SUBCARRIER NUMBER

5

T-x\SCO1-n

GIVE THE IRIG CHANNEL NUMBER FOR THE SUBCARRIER. IF NONSTANDARD SUBCARRIER, ENTER ‘NO’ AND ENTER FREQUENCY IN THE COMMENTS SECTION WHERE n IS AN IDENTIFICATION TAG FOR THE SUBCARRIER.

11

MODULATION INDEX

4

T-x\SCO2-n

SPECIFY THE MODULATION INDEX FOR EACH SUBCARRIER IN THE COMPOSITE WAVEFORM, AS APPROPRIATE.

12

MODULATOR NONLINEARITY

4

T-x\RF7

MODULATOR NONLINEARITY, IN PERCENT.

PREMODULATION FILTER

13

BANDWIDTH

6

T-x\PMF1

PRE-MODULATION COMPOSITE FILTER BANDWIDTH, 3 dB CUT-OFF FREQUENCY, IN kHz.

14

SLOPE

2

T-x\PMF2

PRE-MODULATION FILTER ASYMPTOTIC ROLL-OFF SLOPE, dB/OCTAVE.

15

TYPE

2

T-x\PMF3

SPECIFY THE FILTER TYPE:
CONSTANT AMPLITUDE – ‘CA’
CONSTANT DELAY – ‘CD’
OTHER – ‘OT’.

TRANSMIT ANTENNA

16

TRANSMIT ANTENNA TYPE

16

T-x\AN1

TRANSMIT ANTENNA TYPE.

17

TRANSMIT POLARIZATION

4

T-x\AN2

TRANSMIT ANTENNA POLARIZATION.
‘RHCP’ ‘LHCP’ LINEAR – ‘LIN’

18

ANTENNA LOCATION

16

T-x\AN3

DESCRIBE THE ANTENNA LOCATION.

ANTENNA PATTERNS

19

DOCUMENT

16

T-x\AP

IDENTIFY DOCUMENT WHICH HAS ANTENNA PATTERNS

20

POINT OF CONTACT:
NAME

AGENCY

ADDRESS

TELEPHONE

24

48

48

20

T-x\AP\
POC1
T-x\AP\
POC2
T-x\AP\
POC3
T-x\AP\
POC4

IDENTIFY THE POINT OF CONTACT FOR ADDITIONAL INFORMATION.

GROUND STATION ATTRIBUTES

21

IF BANDWIDTH

6

T-x\GST1

DEFINE THE IF BANDWIDTH (3dB), IN MHz.

22

BANDWIDTH

6

T-x\GST2

DEFINE THE CUT-OFF FREQUENCY (3dB), IN kHz, OF THE OUTPUT FILTER.

GAIN CONTROL

23

AGC TIME CONSTANT

4

T-x\GST3

SPECIFY THE AGC TIME CONSTANT DESIRED IN MILLISECONDS.

24

MGC GAIN SET POINT

6

T-x\GST4

PROVIDE THE MANUAL GAIN CONTROL SET POINT IN TERMS OF RECEIVED SIGNAL STRENGTH, dBm.

25

AFC/APC

3

T-x\GST5

SPECIFY AUTOMATIC FREQUENCY CONTROL (AFC) OR AUTOMATIC PHASE CONTROL (APC) OR NONE (NON).

26

TRACKING BANDWIDTH

4

T-x\GST6

SPECIFY TRACKING LOOP BANDWIDTH IN Hz.

27

POLARIZATION RECEPTION

5

T-x\GST7

SPECIFY POLARIZATION TO BE USED:
RHCP – ‘RHCP’
LHCP – ‘LHCP’
BOTH – ‘BOTH’
BOTH WITH DIVERSITY COMBINING:
   PRE-DETECTION – ‘B&DPR’
   POST-DETECTION – ‘B&DPO’
DIVERSITY COMBINING (ONLY):
    PRE-DETECTION – ‘PRE-D’
    POST-DETECTION – ‘POS-D’
OTHER – ‘OTHER’, SPECIFY IN COMMENTS.

FM SYSTEMS

28

DISCRIMINATOR BANDWIDTH

4

T-x\FM1

SPECIFY THE DISCRIMINATOR BANDWIDTH REQUIRED IN MHz.

29

DISCRIMINATOR LINEARITY

4

T-x\FM2

SPECIFY THE REQUIRED LINEARITY OVER THE BANDWIDTH SPECIFIED.

PM SYSTEMS

30

PHASE LOCK LOOP BANDWIDTH

4

T-x\PLL

SPECIFY THE PHASE LOCKED LOOP BANDWIDTH.

COMMENTS

31

COMMENTS

1600

T-x\COM

PROVIDE THE ADDITIONAL INFORMATION REQUIRED TO COMPLETE THE ABOVE INFORMATION REQUESTED OR TO PROVIDE ANY OTHER INFORMATION THAT IS DESIRED.