These are the following frequencies I have found for 6 meters so far

     RECEIVE   TRANSMIT   xmit PL only 
      OUTPUT    INPUT     PL
 1.   52.250    51.250    103.5     Compaq ARC
 2.   52.250    52.250    103.5     Houston,Tx.
 3.   51.250    52.250    103.5

 4.   53.030    52.030              Houston/SanAntonio
 5.   53.030    53.030

 6.   52.525    52.525              Pri.National Simplex
 7.   52.540    52.540              Sec.National Simplex
 8.   53.000    53.000              Remote base FM simplex

 9.   52.650    51.650              Hou. & Ft.Worth

 10.  53.070    52.070              Cut & Shoot Tx.
 11.  53.350    52.350              Dallas
 12.  51.620    51.620              Dallas
 13.  53.070    52.070              Carrolton K5AB
 14.  53.670    52.670              Austin
 15.  53.250    52.250              Andrews Tx.

 16.  53.090    52.090              Hammond, La.
 17.  53.130    52.130              LaComb, La.

 18.  53.870    52.870              Boston, Ma.

 19.  53.110    52.110              S.E Houston, Tx & Springfield, Mo.

 20.  53.010    52.010              Chattanooga, Tn.