************************************************************************ IERS Message No. 432 April 30, 2021 ************************************************************************ IAG 2021, abstract submission deadline extended to May 7th Dear Colleagues, The abstract submission deadline for the IAG Scientific Assembly was extended by a week. The new deadline is May 7th (see IAG 2021 website at http://www.iag2021.com/). Please see the following announcements of sessions distributed as IERS Messages: Session 1.1 "International Terrestrial Reference Frame: strengths, weaknesses and strategies for future improvements" https://datacenter.iers.org/data/2/message_428.txt Session 1.2 "Advancements and open problems in global reference frame theory and methodology" https://datacenter.iers.org/data/2/message_430.txt Session 1.3 "Terrestrial and space geodetic ties for multi-technique combinations" https://datacenter.iers.org/data/2/message_429.txt Session 1.5 "Comparison and combination of space geodesy techniques for improving consistency between TRF, CRF and EOPs" https://datacenter.iers.org/data/2/message_431.txt Session 5.3 "Standardized geodetic products for a reliable System Earth observation" https://datacenter.iers.org/data/2/message_427.txt The session conveners would like to draw your attention to these sessions once again and are looking forward receiving your abstracts. Please share this reminder with your community and others who may be interested. Best regards, IERS Central Bureau ************************************************************************ IERS Messages are edited and distributed by the IERS Central Bureau. If not stated otherwise, the IERS is only the distributor of the message and is not responsible for its content. To submit texts for distribution, please write to . To subscribe or unsubscribe, please create an IERS account or modify it: https://www.iers.org/Login/Login/EN/login_node.html or write to . Archives: http://www.iers.org/Messages ************************************************************************