<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Dear Dmitriy,</div><div class=""><br class=""></div><div class="">There is no solution from Trimble for the 4700 or 4800. Those receiver models are unusable unless they happen to track satellites and TEQC can fix the week during translation of the .dat to RINEX. This is something that has been discussed at UNAVCO and we have a knowledgebase article on the subject.</div><div class=""><br class=""></div><div class=""><a href="http://facility.unavco.org/kb/questions/836/Trimble+R7+and+5700+Firmware+issue+for+receivers+with+FW+less+than+2.3" class="">http://facility.unavco.org/kb/questions/836/Trimble+R7+and+5700+Firmware+issue+for+receivers+with+FW+less+than+2.3</a></div><div class=""><br class=""></div><div class="">We are encourage folks to contact Trimble to discuss possible options. Since there is no solution for the 4700, it may be best for IGS station operators to change the receiver to a more modern GNSS receiver.</div><div class=""><br class=""></div><div class="">Best Regards,</div><div class="">David Maggert</div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 26, 2016, at 1:50 AM, <a href="mailto:ArdyukovDG@ipgg.sbras.ru" class="">ArdyukovDG@ipgg.sbras.ru</a> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-size: 12pt; background-color: rgb(255, 255, 255); font-family: Calibri, Arial, Helvetica, sans-serif;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">Author: Dmitriy Ardyukov.<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Hello all!<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">From DOY 045 (15 Feb 2016) we have system failure in NVSK (Novosibirsk, Russia) receiver's date - he say on screen about current date as 5 July 1996 and so on. As we think, this is a bug in firmware, affected only memory for date, which was full in 1024 GPS weeks and setting at zero (July 1996 is date that receiver was made) now. We hope, this is not affect receiver's precise time.<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">As write many russian geodesists on some forums, this failure affected all receivers, older than 2011: Trimble 4600, 4700, 5700 and maybe many other models. Last firmware for 5700 (2011 year made) can be found at official Trimble site; for 4700 last firmware is version 1.30, from 2000 year, no have newer, of course.<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">So, our solve this problem - using TEQC for converting to RINEX with setting correct parameter of GPSweek (-week tag), last 10 daily data file from NVSK was made by this method.<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Please send us some message, if our data files grow not useful for IGS surveys.<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">WBR,<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Dmitriy.<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div></div><span style="font-family: Courier; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">_______________________________________________</span><br style="font-family: Courier; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Courier; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">IGSSTATION mailing list</span><br style="font-family: Courier; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="mailto:IGSSTATION@igscb.jpl.nasa.gov" style="font-family: Courier; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">IGSSTATION@igscb.jpl.nasa.gov</a><br style="font-family: Courier; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="https://igscb.jpl.nasa.gov/mailman/listinfo/igsstation" style="font-family: Courier; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">https://igscb.jpl.nasa.gov/mailman/listinfo/igsstation</a></div></blockquote></div><br class=""></body></html>