From jimr@Maia.usno.navy.mil Wed Jan 21 13:08 EST 1998 Received: by Maia.usno.navy.mil (1.37.109.24/16.2) id AA039516099; Wed, 21 Jan 1998 13:08:19 -0500 From: Jim Ray (USNO 202-762-1444)Return-Path: Subject: USNO response to IGS/BIPM Call for Participation To: cthomas@bipm.fr, jimr@Maia.usno.navy.mil Date: Wed, 21 Jan 1998 13:08:19 EST Full-Name: Jim Ray (USNO 202-762-1444) X-Mailer: Elm [revision: 109.19] Status: RO ---------------------------------------------------------------- Response to CALL FOR PARTICIPATION in an IGS/BIPM PILOT PROJECT TO STUDY ACCURATE TIME AND FREQUENCY COMPARISONS USING GPS PHASE AND CODE MEASUREMENTS Agency or group: U.S. Naval Observatory Contact person(s): Dennis McCarthy, Director of Time Demetrios Matsakis, Head of Time Service Dept. Mihran Miranian, Time Service Dept. Paul Wheeler, Time Service Dept. Jim DeYoung, Time Service Dept. Ed Powers, Time Service Dept. Lara Schmidt, Time Service Dept. Jim Ray, Head of Earth Orientation Dept. Jim Rohde, Earth Orientation Dept. E-mail address(es): dmc@maia.usno.navy.mil (D. McCarthy) dnm@orion.usno.navy.mil (D. Matsakis) mm@simon.usno.navy.mil (M. Miranian) paul@tsee2.usno.navy.mil (P. Wheeler) dey@herschel.usno.navy.mil (J. DeYoung) powers@drake.usno.navy.mil (E. Powers) lss@ramsey.usno.navy.mil (L. Schmidt) jimr@maia.usno.navy.mil (J. Ray) jrr@clem.usno.navy.mil (J. Rohde) Areas of participation: 1) Deployment of GPS receivers: Yes 2) GPS data analysis: Yes 3) Analysis of instrumental delays: Yes 4) Time transfer comparisons: Yes 6) Other: Investigate formation of new near-realtime timescales using GPS time transfer techniques and a weighted combination of contributing clocks in the IGS network. Limitations on participation: (please list any restrictions) Comments or suggestions: Please return to jimr@maia.usno.navy.mil and cthomas@bipm.fr, preferably by 15 March 1998 ================================================================