| Date: | 1998-07-02 10:00:00 | |
| Sender: | J. Kokurin, KATZIVELY <[Mailed EDC <edc@dgfi.badw-muenchen.de>]> | |
| Subject: | [SLR-Mail] No. 127: Message from "Katzively" Station No. 1893 | |
| Author: | J. Kokurin, KATZIVELY | |
| Content: | ******************************************************************************** SLR Electronic Mail 1998-07-02 10:00:00 UTC Message No. 127 ******************************************************************************** Author: J. Kokurin, KATZIVELY Subject: Message from ”Katzively” Station No. 1893 DEAR COLLEAGUES IN JUNE 1998 YEAR SLR STATION ”KATZIVELY” N. 1893 HAS BEGUN OBSERVATIONS OF THE SATELLITES WITH THE TIME PROPAGATION COUNTER SR-620 INSTEAD EVENT TIMER ”PIKAP-2M”. THE COMPARISON OF THESE TWO DEVICES SHOWED A SYSTEMATIC DIFFERENCE 1.2-1.4 NS BETWEEN THE CALIBRATION AND THE TIME PROPAGATION MEASUREMENT. ELECTRONIC COMMUTATOR ”CALIBRATION-MEASUREMENT” WAS A SOURCE OF THIS ERROR. WE EXPECT THAT NOW THE MODELLED BIAS FOR OUR STATION WILL BE REDUCED IN RESPECT TO PREVIOUS VALUE FOR 0.6-0.7 NS. UNFORTUNATELY THIS ERROR COULD NOT BE FOUND BEFORE THE SR-620 WAS INTRODUCED INTO OPERATION. BEST REGARDS. JU. KOKURIN [Mailed From: EDC ******************************************************************************** |