Recent Content by Rich deRobles

  1. Rich deRobles
    Post

    Spacecraft

    I was aware of the situation when they are in orbit, but the first and second stages, are transponders required, and where registered?
    Post by: Rich deRobles, Apr 20, 2018 in forum: Spotting and Interesting Aircraft
  2. Rich deRobles
    Thread

    Spacecraft

    Do spacecraft require a mode s transponder? What registry are the listed in? Can we track them?
    Thread by: Rich deRobles, Apr 17, 2018, 8 replies, in forum: Spotting and Interesting Aircraft