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Issue 121 February 1983
Article
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Page
|
1GHz oscillator
|
14
|
24cm notes
|
41
|
Character memory
|
43
|
Colour caption keyer
|
8
|
Colour subcarrier phasing display
|
36
|
Composite colour on the BBC micro
|
7
|
FM TV
|
38
|
Gamma and AGC control
|
45
|
Handbook vol.2 notes
|
41
|
New ATV books
|
19
|
PAL and SECAM
|
39
|
TV receiver
|
32
|
TV repeaters
|
17
|
TV reporting chart
|
30
|
TVI (filter)
|
27
|
The Grant Dixon award
|
39
|
Tribute to Grant Dixon
|
21
|
Issue 122 May 1983
Article
|
Page
|
70cm code of practice
|
30
|
70cm transmitter
|
20
|
An FM-TV receiver I.F.
|
6
|
Coaxial connectors (BNC)
|
34
|
Colour subcarrier distribution amp
|
16
|
Computer generated test card
|
25
|
El-cheapo telecine
|
32
|
The helix on 1.3GHz
|
39
|
USA ATV society
|
43
|
Issue 123 August 1983
Article
|
Page
|
30 years ago - a look back
|
41
|
70cm linear amplifier
|
29
|
Book review - RSGB VHF/UHF Manual
|
26
|
Coaxial connectors (BNC)
|
21
|
Field sync detector and delay cct
|
20
|
Handbook 2 notes and corrections
|
42
|
Lincoln Hamfest
|
11
|
NBTV - what is it
|
12
|
PAL coder
|
7
|
Show roundup (BATC show 1983)
|
24
|
Specification for 1240/1325MHz TV repeaters
|
34
|
TX-9 notes
|
40
|
Teletext terminal
|
16
|
The things you write
|
15
|
Issue 124 November 1983
Article
|
Page
|
Baird museum
|
55
|
Budget spectrum analyzer
|
27
|
Callsign insert
|
5
|
Circuit notebook - coax cable
|
44
|
Coalville gala
|
46
|
Coaxial connectors (PL259)
|
19
|
Colour bar generator
|
52
|
Handbook 2 notes
|
49
|
Monitor conversion
|
16
|
Printed circuits explained
|
22
|
Quality video from the BBC micro
|
34
|
TV alarm
|
47
|
TV scanner
|
53
|
The ’big sync’ modulator
|
32
|
The handbook coder re-visited
|
54
|
Video modulator
|
45
|
Wire-line for microwaves
|
8
|
Issue 125 February 1984
Article
|
Page
|
3MHz video filter design
|
34
|
BBC test card program
|
20
|
Brighten up your image - part 1
|
6
|
Circuit notebook - ZNA234 chip
|
31
|
Coaxial connectors (’N’ series)
|
41
|
DX-ATV?
|
32
|
Dividing by ’N’ with CD4040
|
14
|
SSTV scan converter
|
39
|
TVs for monitors
|
22
|
TX/RX timing system
|
37
|
The ’Q-studio’ show
|
16
|
Universal
|
19
|
Video out from a ’RF’ only micro
|
30
|
Issue 126 May 1984
Article
|
Page
|
Alinco EC-270 scan converter
|
16
|
Another FM demodulator for microwaves
|
48
|
Biasing the 2C39
|
27
|
Book review - Amateur TV Q&A
|
50
|
Brighten up your image - part 2
|
44
|
Coaxial connectors (’SMA’ series)
|
24
|
Colour subcarrier - locked or unlocked?
|
30
|
DC conversion for ’Mains’ cameras
|
17
|
Ferguson TX-9 TV conversions
|
30
|
Home counties ATV meeting
|
51
|
Ideas for 1.3GHz
|
14
|
Microwave stub tuning
|
52
|
More colour bars
|
21
|
NBTVA - newsletter resume
|
41
|
TV repeaters
|
8
|
The MC1377 colour encoder
|
42
|
Vertical sync processor
|
23
|
Issue 127 August 1984
Article
|
Page
|
1.3GHz notes
|
52
|
1984 General meeting
|
41
|
24cm colinear aerial
|
15
|
70 & 24 - what is the difference?
|
23
|
BATC 1984 Convention
|
11
|
Brighten up your image - part 3
|
20
|
Burst locked subcarrier oscillator
|
48
|
IRAC region 1 conference report (Sicily)
|
46
|
In the Studio - part 1
|
26
|
John Logie Baird remembered
|
37
|
Mods to G3WCY SSTV scan converter
|
6
|
Portable 50Hz power supply
|
58
|
Simple sync pulse generator
|
43
|
Three gems for 24cm
|
62
|
West German ATV convention
|
55
|
Issue 128 November 1984
Article
|
Page
|
24cm Trade news
|
55
|
CQ-TV equipment review
|
48
|
Carnival broadcast
|
56
|
Character generator keyboard
|
16
|
Coaxial connectors (’SMB/SMC/SMD’ series)
|
31
|
FM deviation calibrator
|
25
|
In the Studio - part 2
|
35
|
Mini aerial for 24cm
|
53
|
Monitor TV conversion
|
23
|
Narrow-band IF filter
|
13
|
Software notebook - BBC colour bars, BATC logo
|
54
|
Some notes on SSTV
|
7
|
Sound sense
|
58
|
TV for Harefield
|
62
|
Yet another grey scale generator
|
60
|
Issue 129 February 1985
Article
|
Page
|
24cm Radar suppression
|
59
|
ATV repeater - GB3CT
|
17
|
An alternative to Genlock
|
58
|
BATC at Scottish convention
|
21
|
Equipment reviews (24cm)
|
22
|
GaAsFET pre-amplifier for 1.3GHz
|
51
|
Goodbye 405 lines
|
64
|
Moray Firth ATV
|
41
|
Project 100 Colour gunlock
|
18
|
SSTV Transmit converter
|
7
|
Software notebook - BBC big text display
|
60
|
Some notes on SSTV - part 2
|
42
|
Sync processor
|
32
|
The good old days - part 1
|
56
|
Trade news
|
62
|
Video operated relay
|
27
|
Issue 130 May 1985
Article
|
Page
|
Cheering up the Pye Lynx
|
14
|
Circuit notebook - D to A conversion
|
13
|
G4ENA SSTV TX auxiliary board
|
16
|
How high is low?
|
73
|
Ideas for an FM TV transmitter
|
50
|
In the Studio - part 3
|
26
|
Interfacing the Spectrum
|
42
|
Literature received
|
48
|
Passive repeaters
|
54
|
Queensland ATV award
|
67
|
SSTV in the UK
|
55
|
SSTV standards
|
74
|
Simple Genlock unit
|
68
|
Single chip colour encoder
|
8
|
Software notebook - Commodore 64
|
40
|
Spectrum BATC logo program
|
72
|
Sync separator
|
38
|
The EPIC - TV shooting script
|
37
|
The good old days - part 2
|
11
|
Issue 131 August 1985
Article
|
Page
|
1.3GHz power amplifier
|
16
|
70cm RF probe
|
70
|
AGAF convention
|
40
|
Circuit notebook - Sync processor
|
38
|
Coax adapter
|
43
|
Colour on a ZNA234
|
32
|
DB0DP to DB0TT - German repeater group
|
81
|
G3WCY SSTV scan converter update
|
25
|
GB3VR - the Worthing repeater
|
28
|
How to avoid spots before the eyes
|
57
|
In the Studio - part 4
|
63
|
JVL 1.3GHz Loopquad
|
55
|
Monitor Conversion for Thorn TX-90
|
7
|
Pre-emphasis for FM-TV
|
74
|
Software notebook - BATC logo for BBC-B
|
46
|
Synchronising Micros and VTRs
|
77
|
The 1985 BATC rally
|
34
|
The perils of GB3GV
|
61
|
Troughline for 24cm
|
22
|
Tuning the ELC1043
|
44
|
Variations on a vision switcher
|
72
|
Issue 132 November 1985
Article
|
Page
|
’ere turn your dev’ down a bit!
|
33
|
ATV threatened in the USA
|
19
|
An FM-TV generator
|
10
|
Camera connectors
|
58
|
Cheap aerial for 1.3GHz
|
48
|
Computer Graphics mixing system
|
6
|
Custom designed FM-TV video strip
|
52
|
Go/no-go crystal tester
|
56
|
In the Studio - part 5
|
21
|
Modifying the Sony HVS2000 video mixer
|
15
|
Notes on a video processing amplifier
|
65
|
Repeaters and things
|
60
|
Software notebook - VTR clock for BBC-B
|
49
|
South Australian ATV
|
57
|
Stripline filter for 1.3GHz
|
34
|
Switch-mode PSU
|
47
|
Television 1873 – 1927
|
18
|
Tuneable sound demodulator
|
31
|
Issue 133 February 1986
Article
|
Page
|
24cm FM-TV transmitter
|
8
|
70cm coaxial collinear
|
62
|
Bruch blanking
|
56
|
CQ-TV magazine - how it is produced
|
34
|
DRAE slow scan system
|
28
|
G9AED remembered
|
32
|
In front of the tube - part 1 – optics
|
64
|
Modifying the Sony HVS2000 video mixer
|
40
|
One in, three out. Buffer amp
|
26
|
Phone line video
|
60
|
Robot and Wrasse (SSTV)
|
21
|
Simple, cheap plating methods for VHF
|
67
|
Teletron as a TV typewriter
|
48
|
US - ENG on 70cm?
|
24
|
US videophiles
|
46
|
Where are they now?
|
54
|
Issue 134 May 1986
Article
|
Page
|
70cm or 24cm PA
|
14
|
BATC on Prestel
|
66
|
Colour sync pulse generator
|
52
|
G4ENA - SSTV extra
|
50
|
How wide is wide? (A video filter for 70cm)
|
20
|
In front of the tube - part 2
|
47
|
In the Studio – feedback
|
26
|
New FM-TV modules
|
11
|
New PAL coder
|
60
|
Pulse distribution amplifier
|
70
|
Software notebook - BBC caption generator
|
38
|
Square one - part 1 (for novices)
|
6
|
Teletron (the continuing story)
|
68
|
The "Carascanner" - OB scanner van
|
56
|
Video modulating the PYE pocketphone
|
34
|
Issue 135 August 1986
Article
|
Page
|
24cm jottings
|
44
|
Band scan display
|
60
|
Colour from a ’no colour’ shack
|
80
|
Frequency converter for mathematical PAL
|
68
|
Handbook 2 character colouriser notes
|
42
|
Horizontal or Vertical? (aerials)
|
48
|
In front of the tube - part 3
|
64
|
New video switches
|
76
|
Radio microphone
|
47
|
Report on the BATC 1986 show
|
28
|
SSTV - Some notes and observations
|
26
|
Skycam
|
83
|
Software notebook - video testing on BBC
|
40
|
Square one - part 2
|
50
|
TVRO receiver
|
8
|
The PNP/NPN as an output pair
|
34
|
The YAESU FRG9600 for television
|
56
|
Why FM-TV for microwaves
|
53
|
Issue 136 November 1986
Article
|
Page
|
10GHz transceiver
|
8
|
70cm VSB filter
|
42
|
ATV repeater news
|
32
|
Building your satellite TV receiver
|
52
|
In front of the tube - part 4
|
46
|
Kits, chips, and things
|
66
|
Modifying the ROBOT-400
|
14
|
New TVRO dish
|
60
|
Processing amplifier
|
74
|
SSTV - Wrasse pictures on the ROBOT 1200
|
69
|
SSTV on the ORIC
|
80
|
Satellite TV news
|
18
|
Sony camera remote control
|
64
|
Square one - part 3
|
77
|
TV cookery - tuning a magnetron
|
62
|
Tuneable sound demodulator for Sat. TV
|
50
|
Universal sync re-processor
|
24
|
Video enhancer
|
7
|
W&D 1240TVT on test
|
81
|
Wideband opto-coupler
|
21
|
Issue 137 February 1987
Article
|
Page
|
10GHz transceiver
|
42
|
CQ-TV award (description)
|
63
|
Camtech 1.3GHz pre-amplifier
|
24
|
Circuit notebook - Black & burst generator
|
68
|
Cursor for SSTV keyboards
|
76
|
In front of the tube - part 5
|
78
|
International organisation for ATV, EATWG
|
12
|
SSTV - new standards for old monitors
|
71
|
SSTV on the BBC computer - part 1
|
51
|
Satellite TV news
|
40
|
Scanning & Syncs explained - part 1
|
7
|
Software notebook - BATC logo on TRS80
|
74
|
Solent kits are back (24cms ATV)
|
66
|
Spectrum computer RAM checker
|
82
|
Teletron - Spectrum computer link
|
57
|
Teletron extra (EPROM programmer prog.)
|
61
|
The G-11 TV chassis on 70cm
|
16
|
Tuning the G3YQC 24cm down converter
|
28
|
Video enhancers, do they always enhance?
|
64
|
Where on 10GHz. (band plan)
|
47
|
Issue 138 May 1987
Article
|
Page
|
15W solid state power amp for 24cm
|
12
|
24cm - What gear?
|
66
|
50Hz frequency standard
|
25
|
An alternative colour encoder
|
75
|
Digital frame store
|
36
|
Experimenters corner, FM TV demodulator
|
79
|
Genlocking the ’Handbook 2’ colour coder
|
72
|
In front of the tube - part 6
|
56
|
Mechanical camera for SSTV & NBTV
|
54
|
Our repeater. GB3VR
|
50
|
SSTV on the BBC computer - part 2
|
60
|
Scanning & Syncs explained - part 2
|
38
|
Software notebook - Aerial design (Spectrum)
|
71
|
Specmanship - part 1 - the Decibel
|
22
|
The simplest pattern generator
|
34
|
UHF aerial distribution amplifier
|
31
|
Understanding Prestel
|
26
|
Vogad amplifier for intercarrier sound
|
46
|
Issue 139 August 1987
Article
|
Page
|
70cm pre-amplifiers
|
72
|
ATV software
|
10
|
BATC ’87 rally report
|
25
|
Colorise the Cropredy Test Card
|
20
|
Downstream Keyer
|
29
|
Grey/Colour bars for the ’WCY scan conv.’
|
38
|
In front of the tube - part 7
|
60
|
Let’s build a repeater - part 1, Transmitters
|
50
|
Satellite TV news
|
58
|
Software notebook - SSTV for Spectrum
|
41
|
Sound in the studio - part 1, Balancing
|
64
|
Specmanship - part 2 – Noise
|
32
|
TV repeaters - a definitive list
|
44
|
The SCART connector
|
89
|
W&D 24cm Power amplifier
|
87
|
Issue 140 November 1987
Article
|
Page
|
A ’non-sync’ detector
|
73
|
ATV repeaters - an overseas list
|
38
|
An A/V fader
|
7
|
An intercarrier sound demodulator
|
79
|
In front of the tube - part 8
|
32
|
LMW 1.3GHz pre-amp
|
35
|
Let’s build a repeater - part 2, Logic
|
26
|
Mitsumi TVRO modules
|
65
|
Modified sync separator for Teletron
|
71
|
More MSX software – Titler
|
21
|
New aerials and power amplifier for 24
|
63
|
Portable inverter
|
34
|
Problems with portable generators
|
18
|
SSTV tuning indicator
|
40
|
Servicing the TX-90 portable
|
47
|
Software notebook - Colour bars (Spectrum)
|
54
|
Some useful video circuits
|
44
|
Specmanship - part 3 – VSWR
|
75
|
TVI
|
81
|
The 24cm experience
|
14
|
The SCART connector again, more info
|
16
|
Timebase correction
|
52
|
Top of Frame ident
|
11
|
Two tapes, video and audio
|
68
|
Video handbook 2nd edition
|
50
|