So there is a router 3.7 miles from my house that i can hear between 2 and 5 SNR but its hearing my transmissions between -4 and -18 SNR with a -10 average (5 traceroute tests). Shouldn’t it be able to hear me just as well as I can hear it? I can only think of two possible causes for this.

  1. The router has a much higher noise floor than I do
  2. The router antenna is more than 33cm tall and has directional lobes and null zones.

However, that second explanation seems off simply because if it wasn’t transmitting my direction, I shouldn’t be able to hear it as well as I can.

Thoughts?

Edit:

  1. My antenna is not a full 33cm So does not radiate the signal efficiently.