The New Horizon's data transfer rate is only about 2kbps right now. At its peak the rate was 38kbps. Why is this transfer rate so slow? Is this due to using radio waves, limitations in the data relay, Doppler effect, etc?

  • $\begingroup$ See Why does data transfer rate decrease with distance $\endgroup$
    – TildalWave
    Jul 15, 2015 at 3:16
  • $\begingroup$ Downvoted )+: Sorry. Almost a duplicate seeing that there are several similar questions in the context of low data rates amongst deep-space craft $\endgroup$
    – Everyone
    Jul 15, 2015 at 3:28
  • $\begingroup$ That's fine, did a search and could not find it so I asked. Thanks. $\endgroup$
    – Heath N
    Jul 15, 2015 at 3:29