I have some TL of MIR for the year 1995 I'm surprised to see how the "N" of MIR always increases. Specialy from day 291 to 300 It's more visible on a curve I made of it. Is it a coincidence that N never decreases for the TL I have? How could I get more TL of MIR in just one file if possible? Day N N./2 138 15.56561 0.00007202 195 15.57069 0.00001252 205 15.57125 0.00002002 228 15.57236 0.00001565 230 15.57245 0.00001589 237 15.57281 0.00001322 242 15.57325 0.00006883 248 15.57363 0.00003035 258 15.57424 0.00003351 268 15.57499 0.00003780 275 15.5755 0.00002780 276 15.57557 0.00002366 279 15.57592 0.00003320 289 15.57662 0.00002048 290 15.57675 0.00002939 291 15.5769 0.00004119 300 15.57882 0.00009490 Alphonse POUPLIER 100723.2613@compuserve.com