/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: rajasekharrayappa https://public.slidesharecdn.com/v2/images/profile-picture.png I am a doctorate in Zoology and a consultant for aquaculture industry and developed few electronic gadgets, feed supplements and medicines for aqua culture. also I am a active Radio HAM for past 23 years and developed HMY2K8 a multi band HF transceiver for Hams. Promoting the Ham radio hobby by giving demos in engineering colleges.