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Page 4–60
18 September 2007
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-128 High-speed Data Terminal
Figure 4–34. HSD Call Sample Display
(8) Antenna Tracking Checks
As a final ground-based system check, verify the antenna tracking. This confirms 
proper signal reception and transmission for all aircraft headings.
(a) Preparation
Perform all previous tests and document the results items before proceeding. 
12:43:24 #1 ABC123 E4 start 800124 14.00 dBW  mobile aero 64k speech 28 
C  47 dB/Hz
12:43:24 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=***  sig=-16.4 dB   28 C  IDLE IN CALL beam=4 
CARD #2: C/No=47.3 dB/Hz  sig=-15.2 dB   30 C  no call beam=4 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:25 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=47.3 dB/Hz  sig=-16.4 dB   28 C  in call beam=4 
CARD #2: C/No=47.3 dB/Hz  sig=-15.0 dB   30 C  no call beam=4 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:26 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=47.3 dB/Hz  sig=-16.8 dB   28 C  in call beam=4 
CARD #2: C/No=47.3 dB/Hz  sig=-15.4 dB   30 C  no call beam=4 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:26 #1 ABC123 E4 start 800124 22.50 dBW  mobile aero 64k speech 28 C  
12:43:27 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=0.0 dB/Hz  sig=-999.9 dB   28 C  in call beam=4 
CARD #2: C/No=47.4 dB/Hz  sig=-15.6 dB   30 C  no call beam=4 
 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:42 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=54.1 dB/Hz  sig=-11.6 dB   28 C  in call beam=4 
CARD #2: C/No=46.9 dB/Hz  sig=-15.8 dB   30 C  no call beam=4 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:43 #1 ABC123 E4 start 800124 21.50 dBW  mobile aero 64k speech 28 
C  0 dB/Hz
12:43:43 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=***  sig=-11.6 dB   28 C  in call beam=4 
CARD #2: C/No=46.8 dB/Hz  sig=-15.5 dB   30 C  no call beam=4 
  
12:43:55 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=0.0 dB/Hz  sig=-10.7 dB   28 C  in call beam=4 
CARD #2: C/No=46.6 dB/Hz  sig=-15.3 dB   30 C  no call beam=4 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:55 #1 ABC123 E4 start 800124 18.50 dBW  mobile aero 64k speech 28 C  
12:43:56 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=0.0 dB/Hz  sig=-999.9 dB   28 C  in call beam=4 
CARD #2: C/No=47.1 dB/Hz  sig=-15.5 dB   30 C  no call beam=4 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:58 dop 0 ppb  az 285.4 deg   el 15.3 deg  AOR EAST  ant gain 12 (p/t)
CARD #1: C/No=0.0 dB/Hz  sig=-999.9 dB   28 C  in call beam=4 
CARD #2: C/No=46.9 dB/Hz  sig=-15.8 dB   30 C  no call beam=4 
45D21'16.1"N  75D0'0.2"W  PT -10.0D  RL 0.0D  HD 185.0D  TK 0.2D  0 knots
12:43:58 #1 ABC123 E4 stop 1f01  call cleared by terrestrial circuit 28 C