CONSTRUCTION ARTICLE INDEX
The following list is an index of all construction related material that has appeared in the ATCO Newsletter since its inception in the
early ‘80’s. This is a handy reference for that particular construction article that you knew existed but didn’t want to wade through each
issue to find it. All Newsletters below are listed in order in the ATCO homepage under “Newsletters”. Once you locate the Newsletter
section, the displayed list can be re-sorted as needed by clicking on the “date” in the header.

Issue Page(s) Article
Vol 1 II 5 439 Beam
Vol 2 I 4 439 Beam
Vol 2 II 8,9 439 Parabolic Ant
Vol 2 II 9 Video Modulator
Vol 2 III 7 1296 Ant 45 Ele loop yagi
Vol 2 III 10 RF Power Indicator (in-line) for 1296 MHZ
Vol 2 SE 2,3 Diode Multiplier for 23 CM
Vol 2 SE 4,5 1296 MHZ 10 Watt Solid State Linear Amp
Vol 4 I 3 RF/Video Line Sampler
Vol 4 II 3 P-Unit Meter
Vol 4 II 7,10,11 UHF Gated Noise Source
Vol 4 II 12 420 – 450 Broom Handle Rhombic Ant
Vol 4 III 4,8 25 Element 1.26 Loop Yagi
Vol 4 IIII 6 Video Modulator (Tube Type)
Vol 5 I 3 Video Modulator One Transistor
Vol 5 II 4,7 900 MHZ Yagi Ant
Vol 5 II 6 Video Modulator for 2C39 Final
Vol 5 III 3 440 MHZ Hidden Transmitter Finder
Vol 6 I 3 Video Line Amp
Vol 6 I 8 25 Ele 910 MHz Loop Yagi
Vol 6 II 4,6,7 Microwave Oven ATV Xmiter
Vol 6 II 5 Matching a Quad Driven Ele
Vol 6 II 8 Power Divider for 33CM
Vol 9 IIII 5,7 16 Ele Loop Yagi for 439.25 MHz
Vol 10 No Articles
Vol 11 II 4,5,6 439 48 Ele Collinear Ant
Vol 11 IIII 7 1280 MHZ Cavity Filter
Vol 12 I 6,7,8 439 & 1200 Horz Polarized Mobile Ant
Vol 12 II 5,6,7 ATV Line Sampler
Vol 12 II 10 439 & 1280 Interdigital Filter(s)
Vol 12 III 6,7,8 439 Cheap Attic Ant
Vol 13 I 9, 10 High Level Modulator for ATV
Vol 13 II 5 VGA to NTSC Converter for Computer
Vol 13 III 9, 10 AM Video Modulator
Vol 13 IIII 4 1200 MHZ Transistor Linear Amp
Vol 13 IIII 6 900 & 1200 MHz Loop Yagis
Vol 14 IIII 8 439 31 EleYagi
Vol 14 IIII 12, 13 1250 MHZ FM ATV 3 Watt Xmiter
Vol 15 I 16 427.25 Horz J-Pole Ant
Vol 15 II 14 2400 MHZ Loop Yagi
Vol 15 III 8 Wavecom Modification
Vol 15 III 12,13,14 2.4 Gig Antenna’s
Vol 16 II 20 2.4 Gig Helix Ant
Vol 16 IIII 4 1280 MHZ Loop Yagi
Issue Page(s) Article
Vol 17 I 14, 15 Video Amp (Multi Output)
Vol 18 No Articles
Vol 19 IIII 4 Pwr Supply for 28 Volt Ant Relay
Vol 20 III 9, 10 Video Sampler
Vol 21 II 4 RF Pwr Amp for 900/1200 MHZ
Vol 21 II 14 10-14 Volt Doubler for 28 Volt Ant Relays
Vol 21 III 5 S-Video To Composite Adaptor
Vol 21 IIII 3,4 Video Noise Rejection Amp
Vol 21 IIII 14,15,16,17 “S” Meter For Comtech Boards
Vol 22 I No Articles
Vol 22 II 10 1260 MHZ Cavity Filter
Vol 22 III No Articles
Vol 22 IIII No Articles
Vol 23 I No Articles
Vol 23 II 5,6 Linear 60 Watt For 70CM
Vol 23 II 8,9 Video Modulator Update
Vol 23 III No Articles
Vol 23 IIII No Articles
Vol 24 I 13 RF Sniffer For 2.4 GIG
Vol 24 II No Articles
Vol 24 III 3 Quantum 1500 Rec Tuner Mod
Vol 24 IIII 9 Battery Recharge Ckt
Vol 25 I No Articles
Vol 25 II 6,7 Comtech TX Module Improvement
Vol 25 III 11 Comtech TX Module Improvement Correction
Vol 26 I 6 Isolator (Circulator) Modification 850 To 1260 Mhz
…Bob N8OCQ