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Australian analogue TV standards
AM (Vestigial Sideband) TV Standards
TV System
Channel Bandwidth
Vision Carrier
Primary Audio Carrier
Secondary Audio Carrier
Vision Modulation
Lines per picture
Line frequency (beam Left to Right)
Field frequency (beam top to bottom)
Colour Subcarrier frequency
Aspect ratio
Horizontal sync pulse amplitude
Front porch
Line blanking interval (beam R to L)
Black & Blanking level
White level
Sound Modulation
Sound deviation
Audio pre-emphasis
PAL (B)
7 MHz
1.25 MHz above lower edge of channel
5.5 MHz above vision carrier
242.1875 kHz above primary sound carrier
Negative amplitude modulation (AM)
625 lines, Interlaced 2:1
15.625 kHz (64us)
50 Hz
4.43361875 MHz
4:3
100% carrier amplitude
1.3 - 1.8us
11.8 - 12.3us
76% peak carrier level
20% peak carrier level
FM
+/- 50KHz
50 us

Australian DiGiTaL TV standards
DVB-T1 Digital Video Broadcast - Terrestrial #1
Modulation 64-QAM (Quadrature Amplitude Modulation)
Code Rate 2 / 3
Carriers/Noise 20 dB
Guard Interval 1 / 8
Carrier Mode 8 K 6817 carriers (8K mode)
2 K 1705 carriers (2K mode)
SD-DTV Standard Definition DTV
576 lines x 720 active pixels @ 50Hz interlaced (576i)
MPEG-2 digital stereo sound
Widescreen 16:9 aspect ratio
HD-DTV High Definition DTV
#1 - 1440 active pixels x 1080 lines @ 50Hz interlaced (1080i)
#2 - 1280 active pixels x 720 lines @ 50Hz progressive (720p)
#3 -_720 active pixels x 576 lines @ 50Hz progressive (576p)
Widescreen 16:9 aspect ratio
For more information visit "the free dictionary"
lots of technical jargon explained...

73's for now
Gary, VK3KHB
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