This schedule file is being updated because Westford is not available to participate. ALL participating stations HAVE TO retrieve the experiment file again. PLEASE GET THE NEW SCHEDULE FILE. In the old schedule file source 0552+398 was the starting source for Bd, Ft, Hh, Ny, On, and Wz. The starting source for Tc was 0727-115. Listed below are the new starting sources for each participating station. Please retrieve the updated file by Friday, April 18 and send a message confirming that you have the updated file. Please include the new starting source in your message. Also, please include the new starting source in your start message. First observations Source Start DURATIONS name yyddd-hhmmss Bd Ft Hh Ny On Tc Wz 0528+134 08113-170000| 200 200 99 40| 0607-157 08113-170000| 183 183 | 0955+476 08113-170424| 40 40 40 40| Thanks, Cynthia