The Amp Hour Electronics Podcast

Chris Gammell and Dave Jones' voices span the chasm of thousands of miles each and every week to speak to each other and industry experts about where the field of electronics is moving. Whether it be a late breaking story about a large semiconductor manufacturer, a new piece of must-have test equipment or just talking through recent issues with their circuit designs, Chris and Dave try to make electronics more accessible for the listeners. Most importantly, they try and make the field of electronics more fun. Guests range from advanced hobbyists working on exciting new projects up through C-level executives at a variety of relevant and innovative companies. Tune in to learn more about electronics and then join the conversation! Visit The Amp Hour website for our back catalog of 150+ episodes.

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#427 – An Interview with Maarten Engelen


Welcome Maarten Engelen, founder and CTO/MD of Hiber!

(Not discussed, but relevant: an article about the launch late last year)

  • Chris met Joris last year while in Amsterdam, who now works at Hiber and introduced him to Maarten
    • 0h 0m 46s
  • Maarten had no previous experience in satellite tech
    • 0h 0m 55s
  • Space industry in the Netherlands
    • 0h 1m 8s
  • Not just Amsterdam
    • 0h 8m 34s
  • Delft University
    • 0h 8m 55s
  • ESTEC – ESA research center in Noordwijk
    • 0h 9m 13s
  • Iridium satellite
    • 0h 14m 2s
  • Windows update over satellite
    • 0h 14m 8s
  • Lifetime of orbit is limited
    • 0h 16m 27s
  • Drag on the satellites
    • 0h 17m 24s
  • Why not do a further out orbit?
    • 0h 18m 24s
  • Benefits only add up over large distances
    • 0h 21m 26s
  • Doesn’t have a huge effect on the antenna
    • 0h 21m 52s
  • Is the antenna on the satellite directional?
    • 0h 23m 27s
  • Helical antenna
    • 0h 23m 41s
  • Reaction wheels
    • 0h 24m 44s
  • ADCS – Attitude Determination and Control System
    • 0h 24m 47s
  • Sun sensors
    • 0h 26m 57s
  • Magnetic sensors
    • 0h 27m 11s
  • Star tracker
    • 0h 27m 16s
  • Talking about the module
    • 0h 33m 29s
  • Running at 400MHz
    • 0h 33m 42s
  • Lower bitrate
    • 0h 34m 10s
  • Currently once per day, maybe once per hour in the next year
    • 0h 34m 55s
  • Licensed band
    • 0h 35m 43s
  • MSS band (mobile satellite services)
    • 0h 35m 48s
  • ITU is part of the UN
    • 0h 35m 56s
  • Coordination process is the same
    • 0h 36m 39s
  • There’s no iSM band for space
    • 0h 36m 58s
  • Each RF map was developed separately
    • 0h 39m 14s
  • What the module looks like
    • 0h 41m 16s
  • Downlink is used scheduling right now
    • 0h 43m 17s
  • They’re SDRs, so can get new firmware and open up new bands
    • 0h 43m 48s
  • Sleep vs transmit currents
    • 0h 45m 26s
  • 100 nA deep sleep
    • 0h 45m 32s
  • 3W peak power
    • 0h 45m 54s
  • Conservify
    • 0h 47m 25s
  • Use cases
    • 0h 48m 4s
    • IT and M2M is very broad
      • 0h 48m 14s
    • Logistics
      • 0h 48m 26s
    • Smart Ag
      • 0h 48m 33s
  • This small country feeds the world
    • 0h 49m 46s
  • Targeting industries that save money
    • 0h 50m 58s
  • Costs for the service – $1 / month
    • 0h 52m 22s
  • or $6 / year
    • 0h 52m 40s
  • Modem is 40 euro right now
    • 0h 53m 8s
  • Currently has GPS capabilities
    • 0h 58m 23s
  • Certification is done for you
    • 1h 0m 44s
  • FCC exception for whitelabel goods (ovens, dishwashers)
    • 1h 4m 7s
  • Found via @talldarknweirdo and @brouhaha on Twitter
    • 1h 5m 22s
  • To learn more, go to Hiber.global or follow @HiberGlobal on twitter or Facebook
    • 1h 5m 46s

Image Credit: @awscloud_jp


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 January 28, 2019  1h7m