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Recent content by Rudderyaw

  1. R

    ✈✈ Aviation ✈✈

    Well, not bad. This is known as ground plane antenna. But you need high gain antenna for this purpose. There are two types mainly 1. J-pole (omni-directional) 2. Moxon (Directional) I think in your case, J-pole would be the right one. This can be constructed using ½ inch copper tubes. You can...
  2. R

    ✈✈ Aviation ✈✈

    Thanks for all welcome notes! In other countries, there are so many blogs available for aviation. I read your blog and really admire the way how you bloggers tried to understand aviation which you are not familiar with. This is simply great. Unfortunately in Sri Lanka for those who are...
  3. R

    ✈✈ Aviation ✈✈

    These are the VHF frequencies use in air traffic control in Sri Lanka 118.700 BIA Tower 121.900 Ground Operation -Katunayake 119.100 Ratmalana Tower 124.900 Colombo Radar - Having its centre at Ratmalana Airport premises. Antenna fixed at Piduruthalagala mountain 132.400 Colombo Director –...
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