Connectivity matrix with fixed attenuators

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

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