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Home ATS-1 20m SSB Kit
ATS 1 20m SSB Transceiver Homebrew Articles

ATS 1 PCB Layouts

Update: If you would like to download the manual as published in SPARK Magazine, please visit downloads section. A new copy of manual (better quality) would be uploaded in download section soon.

Thx
VU2GTI & VU3CAV

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ATS 1 (Ver 2.0) 20m SSB Home Brew Kit

[Update Nov 2010] - The first lot of the kit has been sold out, a few PCB and coils are still available though.

It's been an overwhelming response and I just wanted everyone to know that we owe it to support from a few folks who motivated, guided and helped us to put all things together, a special mention to Dr. Ashutosh Singh (VU2IF) who kindly allowed us to use this circuit and design. Rahul (VU3WJM) who ignited the spark within us to do it all the way, Bharat (VU2BDX) who first suggested we need to do something to keep the hobby alive, Venu (VU2LRL) for his inputs and commitment to help all those who would try out this circuit and last but not the least - Shradha, Rajani's (VU3CAV) xyl who allowed us to keep all the mess in the house and helped in packing each of the kits. A special mention to Rajesh (VU2OEC) - for his kind feedback that led to this site getting so many hits in last few days!

I have received emails about the circuit and features the kit has to offer, and this is perfect forum for an overview!

About ATS

- Designed by VU2IF (Dr. Ashutosh Singh) along with VU3WJM, VU2LRL, VU2RTV and others (in 80's)
- Single board Tx Rx for 20m
- Designed with components that are available in Indian Market (It was designed with indian conditions in mind...)
- Can be modified to other bands (multiband) - This kit is for 20m only
- Output approx 15W

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ATS 1 20m SSB CW Transceiver Construction: An Introduction

This construction article describes a single band all solid state SSB-CW Transceiver. The complete transceiver is assembled on a single side Glass Epoxy PCB measuring 25.5 c.m. X 16.5 c.m.(10" X 6.5"). The intended output power is around 15 watts but many HAMS have managed to get around 30 watts RF output on 20 meter band.

All electronic components used in ATS-1 are available in Indian market.
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ATS 1 Circuit Diagram

Please download the image, right click save as on your desktop and you can take it's printout for your use. ATS-1 is a SSB CW 20m rig designed by ARA (Amateur Radio Association) under guidance of VU2IF (Dr. Ashutosh)

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ATS 1 20m SSB Transceiver Pictures

Here are few pictures of ATS during its initial phase. All photographs are shared by OM Venugopal (VU2LRL)

1. Side View of assembled ATS 20m SSB Transceiver in it's cabinet.

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Newsflash

The Pakistan Amateur Radio Society (PARS) reports that a cross-band emergency repeater is set to provide the first communications of its type to the flood hit Swat Valley, linking it to the rest of the country through a chain of 2-metre band repeaters.