WLW 021 – Cruise Wi-Fi / Career Planning

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Cruise Wi-Fi / Career Planning

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This week is a short podcast, first talking about the WiFi available on the Alaskan Cruise I took last week, then followed by a soft-skills segment from Elaine Rogers on ‘Career Planning’

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6 thoughts on “WLW 021 – Cruise Wi-Fi / Career Planning

  1. Hello Keith. Great podcast!

    I needed some clarification regarding 5ghz and 2.4.

    So you're saying that the reason 5ghz appears weaker than 2.4 ghz at a certain distance is solely because the antenna was designed for 2.4? Not anything to do with FSPL being more for 5ghz?

    Thanks!
    TacACK

    • You are correct. The reason 5 GHz shows less RSSI at a given distance compared with a 2.4 GHz signal is NOT any change in FSPL by frequency, but the actual physical size of the antennas are smaller. Smaller aperture, smaller amount of received radiation.

      Joe Bardwell has some great math slides on this scenario to prove this point. He presented at this year's Sharkfest last week.

      Keith

      • This is path-breaking news, atleast to me :) This definitely goes into your list of
        MythBusters :)

        Thanks a lot Keith. This is precisely why i love your podcasts!

  2. Hello Keith. Great podcast!

    I needed some clarification regarding 5ghz and 2.4.

    So you're saying that the reason 5ghz appears weaker than 2.4 ghz at a certain distance is solely because the antenna was designed for 2.4? Not anything to do with FSPL being more for 5ghz?

    Thanks!
    TacACK

    • You are correct. The reason 5 GHz shows less RSSI at a given distance compared with a 2.4 GHz signal is NOT any change in FSPL by frequency, but the actual physical size of the antennas are smaller. Smaller aperture, smaller amount of received radiation.

      Joe Bardwell has some great math slides on this scenario to prove this point. He presented at this year's Sharkfest last week.

      Keith

      • This is path-breaking news, atleast to me :) This definitely goes into your list of
        MythBusters :)

        Thanks a lot Keith. This is precisely why i love your podcasts!