= Connectivity matrix with fixed attenuators = 

Node 1-2 (ath0) and node 20-19 (ath1) were used for this experiment. Following is the connectivity pattern

''' ath0 is opposite the power supply looking at the back side of the node '''

== 30 dB attenuator at both ends ==
|| Mode || 30-30 || 30-0 || 0-30 || 0-0 ||
|| a || X || few bcns but no ping || few bcns but no ping || heard bcn and can ping ||
|| b/g || X || heard bcn and can ping || heard bcn and can ping || heard bcn and can ping ||


== 20 dB attenuator at both ends ==
|| Mode || 20-20 || 20-0 || 0-20 || 0-0 ||
|| a || X || few bcns but no ping || heard bcn and can ping || heard bcn and can ping ||
|| b/g || heard bcn and can ping || heard bcn and can ping || heard bcn and can ping ||heard bcn and can ping  ||