ATVQ Winter 2011 Publication - Space Hardware Club - University ...

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AMATEUR TELEVISION QUARTERLY Published by ATV Quarterly Amateur Television Quarterly TABLE OF CONTENTS Publisher/Managing Editor Bill Brown - WB8ELK Publisher/Technical Editor Mike Collis - WA6SVT Editor Art Towslee WA8RMC Art Director Jeff Brown - N8UEJ Subscriptions / Advertising Mike Collis WA6SVT P.O. Box 1594 Crestline, CA 92325 (909) 338-6887 - voice email: wa6svt@atvquarterly.com Article Submissions / Ad copy Bill Brown WB8ELK 107 Woodlawn Dr. Madison, AL 35758 (256) 772-6000 - voice email: wb8elk@atvquarterly.com Website: http://www.atvquarterly.com Amateur Television Quarterly (ISSN 1042-198X) is published quarterly, in January, April, July, and October for $20.00 per year by ATV Quarterly Magazine, P.O. Box 1594, Crestline, California 92325. Periodicals Postage Paid at Crestline, CA and additional mailing offices. POSTMASTER: Send address changes to: Amateur Television Quarterly, P.O. Box 1594, Crestline, CA 92325. Amateur Television Quarterly is available by subscription for $20.00/yr in the USA; $22.00/yr in Canada; $29.00/yr elsewhere. Single issues $5.50/USA; $6.00/Canada; $8.00 elsewhere. Sync Buzz Editorial 5 Tripler for 3.4 GHz 6 N8OBU Crossband ATV Repeater 10 Liberty Middle School Balloon 12 Litchfield ATV Banquet 2010 18 Map to Dayton ATV Dinner 22 ATN-CA Winter Meeting 24 A Power Supply for the Ionica 3.4 GHz RF Amplifier 26 Videolynx VM-70X Transmitter Quick Start 28 Dayton Hamvention ATV Activities 32 Advertiser Index/ATVQ Stores 33 Bill Brown WB8ELK Mike Collis WA6SVT Bob Miller W6KGE Brian Dygert KC8LMI Bill Brown WB8ELK Scott Millick K9SM Art Towslee WA8RMC Mike Collis WA6SVT Bob Miller W6KGE Tom O’Hara W6ORG Art Towslee WA8RMC 4 Amateur Television Quarterly Winter 2011
Sync Buzz Editorial - Bill Brown WB8ELK and Mike Collis WA6SVT ATV Spectrum Landgrab It seems like it is easier for some companies to pay lawyers and lobbyists to grab our amateur radio 70cm ATV spectrum than it is to hire RF engineers to design TV transmitters on another frequency range. Is it really that hard to find talented RF engineers? FCC Item: WP Docket No. 08-63, ReconRobotics Inc. ATV outfitted part 90 robot scouts for police and homeland security is back in the news. As most of you know the ARRL, ATN, ATCO, ATVQ and many other ham groups had commented and objected to allowing the 1 watt (peak sync) three channel 430-450 MHz band robots to be deployed. The FCC had approved the request but additional objections and challenges were made by the league and the ham radio community. The FCC on April 13th modified the report and order (released April 15th) to reflect some of the concerns while tossing others, this modification is retroactive. The main changes are in both the FCC certification tags on the devices and operation manuals to say this devise cannot interfere with and must accept interference from both federal and non federal (hams) licensed stations in the 430-450 MHz band. At least that should stop law enforcement from coming to your house and trying to arrest you for causing QRM to their operations and allow us some protection if we get QRM. The channels are as follows, an agency's first channel allocation is 436-442 MHz with visual carrier at 437.25 MHz. The second channel allocation if they already have a channel 1 device is 442-448 MHz with video carrier at 443.25 MHz, and the third channel if the agency already has devices on channels 1 and 2 is 430-436 MHz visual carrier on 431.25 MHz. - Bill and Mike ATVC-4 Plus Amateur Television Repeater Controller ATVC-4 Plus is Intuitive Circuit’s second generation Amateur Television repeater controller. ATVC-4 Plus has many features including: l Five video input sources l Four mixable audio input sources l Non-volatile storage l DTMF control l Beacon mode l Robust CW feedback l Password protection l Many more features For example a major new feature is four individual sync detection circuits allowing for true priority based ATV receiver switching. $349.00 Intuitive Circuits, LLC 3928 Wardlow Ct. - Troy, MI - (248) 588-4400 http://www.icircuits.com THE R. F. CONNECTION “specialist in R F Connectors and Coax” http://www.therfc.com 301/840-5477 Order Line 800-783-2666 Fax 301/869-3680 Suite 11, 213 N. Frederick Ave. e-mail: rfc@therfc.com Gaithersburg, MD 20877 http://www.atvquarterly.com Winter 2011 Amateur Television Quarterly 5
Page 1: !$# "% "
Page 6 and 7: A TRIPLER FOR 3.4 GHZ FM ATV By Bob
Page 8 and 9: Finish the ground by soldering the
Page 10 and 11: N8OBU Crossband ATV Repeater - Brya
Page 12 and 13: Liberty Middle School Balloon - Bil
Page 14 and 15: Above and Right: The Hero HD camcor
Page 16 and 17: Liftoff 10,000 feet over HSV Int’
Page 18 and 19: Litchfield ATV Banquet 2010 - Scott
Page 20 and 21: of fun and laughs. The first person
Page 22: ATV Friday Night Dinner 2010 2011 T
Page 25 and 26: New ATN-CA officers from left: Tom
Page 27 and 28: Because of my ‘junk box’ parts,
Page 29 and 30: ADVERTISE IN ATVQ! ATV’ers are ha
Page 31 and 32: VDG-1 Video ID Board Elktronics 107
Page 33 and 34: Thanks to all the fine stores that
Page 35 and 36: Pure Performance - Trusted Partner

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