6Li +1 15122.885 .. 0.029 1st line : reference nuclide (in micro-u) 4He +1 665392.8420 0.0077 following lines : frequency ratios 7Li +1 1166409.2053 0.0131 NEW : new set with new ref. follows 8Li +1 1333749.8620 0.0180 NEW .. column 1 : nuclidic name 7Li +1 16003.42560 0.00455 column 2 : ionic charge 10Be +1 700635.628 -1 0.009 column 3 : mass excess for ref. (micro-u) 11Be +1 636546.859 -1 0.036 or frequency ratio *10^6 NEW .. column 5 : -1 for inverse ratio 39K +4 -36293.410 .. 0.085 column 4 : uncertainty 44K +4 886306.8169 -1 0.0444 NEW .. 85Rb +9 -88210.26200 .. 0.00535 74Rb +8 979689.6094 0.0858 76Rb +8 1006067.4141 0.0223 NEW .. 85Rb +13 -88210.26200 .. 0.00535 99Sr +15 1009776.3077 0.0451 NEW .. 3HD +1 21926.81033 .. 0.00015 3He +1 998048.085153 0.000048 3H +1 998054.687288 0.000048