Pico-Ballons with Jake, N0LX скачать в хорошем качестве

Pico-Ballons with Jake, N0LX

Jake, N0LX shares his experience from launching #pico-balloons into the stratosphere. 00:00 Intro 01:05 Who am I? 03:20 What is a pico-balloon (not)? 04:05 Why fly pico-balloons? 05:24 Materials 10:33 Launch and flight preparations 12:25 Ascent rate 13:27 What could possibly go wrong? 13:54 Leaking gas 15:20 Bad solder joints 17:00 Drifting outside of sunlight zone (e.g. into a polar night) 17:42 Getting into a bad weather 23:05 GPS interference 25:58 Legality of the flights 26:46 Where is N0LX-15? 27:40 20mW WSPR on the antipodes 29:02 5 laps around the world mapped 30:40 Tools and troubleshooting 35:01 Q&A:Is there a list of parts available? 35:25 VWS' Makers group organizes a group build 36:12 Q&A: Where to get hydrogen? 37:02 Q&A: What's the temperature difference between travel altitudes, and does it affect the size of the balloon? 38:15 Q&A: How large is the balloon at the altitude? 38:34 Q&A: Is there a difference in leak rate between helium and hydrogen? 39:33 Q&A: Does the tracker software use geo-fencing to shut off the transmissions? 41:18 Q&A: Do the limitations imposed on civilian GPS receivers affect tracking? 42:43 Pico-balloon components demo Vienna Wireless Society is one of the largest and most active Amateur Radio clubs in Northern Virginia. Club meetings are conducted in hybrid mode, with remote attendees joining via Zoom, and are open for everybody, anywhere. To learn more, please visit our website: http://viennawireless.net/wp/ To receive notifications about meetings, and participate in discussions and activities, please join the Club: https://viennawireless.net/wp/join/ You can also browse the archive of past presentations: https://viennawireless.net/wp/meeting... To receive notifications about new videos and streams, please subscribe to the channel. The video has been published on the channel with permission from the presenter, as a service for Vienna Wireless Society amateur radio club. The presenter holds full responsibility for the content of the presentation. If you believe that the video infringes your copyright, please contact contact@viennawireless.net #vws #ViennaWirelessSociety #hamr #HamRadio #balloon