<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span id="docs-internal-guid-fb9ea58f-7fff-35c4-f6a8-c537d89f2090" style="caret-color: rgb(0, 0, 0);" class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="white-space: pre-wrap;" class="">Dear IGS community,</span></div><br class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">The “<b class="">Guidelines for Long Product Filenames in the IGS</b>” have been updated to version 2.0 and accepted by the IGS Governing Board.</span></div><br class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><a href="https://files.igs.org/pub/resource/guidelines/Guidelines_For_Long_Product_Filenames_in_the_IGS_v2.0.pdf" style="text-decoration: none;" class=""><span style="color: rgb(17, 85, 204); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; text-decoration: underline; text-decoration-skip-ink: none; vertical-align: baseline; white-space: pre-wrap;" class="">https://files.igs.org/pub/resource/guidelines/Guidelines_For_Long_Product_Filenames_in_the_IGS_v2.0.pdf</span></a><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> </span></div><br class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">The changes will take effect </span><span style="color: rgb(255, 0, 0); font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">on any file submitted after</span><span style="color: rgb(255, 0, 0); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> </span><span style="color: rgb(255, 0, 0); font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">February 16, 2023</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">.</span></div><br class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Please refer to the “Document History” section of these guidelines to have an overview of all changes. </span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">With this message we’d like to take the opportunity to make you aware of the major changes.</span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""></div><div style="color: rgb(0, 0, 0);" class=""><br class=""></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">1) Station dependent part of filename</span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">To accommodate products that are valid for a specific station an optional part to the file naming convention has been added following the <a href="https://files.igs.org/pub/data/format/sinex_tro_v2.00.pdf" class="">SINEX_TRO v2</a> specification</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">.</span></div><br class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Example:</span></div><p dir="ltr" style="line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""><font color="#000000" class="">GFZ0OPSRAP_20230300900_05M_05M_</font><font color="#ff1f00" class="">POTS00DEU</font><font color="#000000" class="">_TRO.TRO</font></span><span style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> </span><span style="color: rgb(0, 0, 0); white-space: pre-wrap;" class="">denotes a Rapid Operational TZD file processed by the GFZ analysis centre and for the IGS station POTS00DEU.</span></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">EUR0OPSFIN_20220480000_07D_01H_TRO.SUM</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> denotes a Final EUREF TZD summary file from a weekly combination process.</span></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="white-space: pre-wrap;" class="">~~~~~~~~~</span></p><div style="color: rgb(0, 0, 0);" class=""><span style="text-align: justify; white-space: pre-wrap;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0);" class=""><span style="font-weight: 700; white-space: pre-wrap; text-align: justify;" class="">2) Major and breaking change to IONO products</span></div><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">To better differentiate between the two established ionospheric products; IGS Global Ionospheric TEC Maps, GIM, since 1998) and ROTI fluctuation maps (ROT, since 2015), two new content types have been introduced: </span><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">GIM</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> and </span><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">ROT</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">. </span></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><ul class="MailOutline"><li class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">The former content identifier </span><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">ION</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> used to describe the Global Ionospheric TEC Maps has been removed to avoid misunderstandings.</span></li><li class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Furthermore, the formerly used extension </span><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">IOX</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> has been renamed to </span><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">INX</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">. </span></li></ul></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">These changes have been agreed upon in discussions in the IGS Ionospheric Working Group. </span></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">We apologise for the inconveniences these changes cause in advance.</span></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Example:</span></p><p dir="ltr" style="line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">The ionospheric product </span><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""><font color="#000000" class="">ESA0OPSFIN_20223190000_01D_02H_</font><font color="#ff1f00" class="">ION.IOX</font></span><span style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""> will be renamed to </span><span style="color: rgb(0, 0, 0); font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">ESA0OPSFIN_20223190000_01D_02H_</span><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""><font color="#ff1f00" class="">GIM.INX</font></span><span style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">.</span></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-weight: 700; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Additional Note</span><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">: </span></p><p dir="ltr" style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 12pt; margin-bottom: 12pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">As you may have noticed, the majority of the ionospheric products are still submitted in the short file naming convention. </span><span style="white-space: pre-wrap;" class="">An announcement about the transition to the long format will be given in advance and in coordination with the IGS Ionospheric Working Group and/or each individual analysis centre.</span></p><div style="color: rgb(0, 0, 0);" class=""><span style="text-align: justify; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span></div><div style="color: rgb(0, 0, 0);" class=""><span style="text-align: justify; white-space: pre-wrap;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0);" class=""><span style="font-weight: 700; white-space: pre-wrap; text-align: justify;" class="">3) ERP filenames</span></div><div style="color: rgb(0, 0, 0);" class=""><span style="font-weight: 700; white-space: pre-wrap; text-align: justify;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">The accumulated ERP files transition to the long product file naming convention as well. </span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">This will affect the three products below. Note that the length of the files is set to "unspecified" (00U).</span></div><br class=""><ul style="color: rgb(0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding-inline-start: 48px;" class=""><li dir="ltr" aria-level="1" style="list-style-type: disc; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Accumulated final ERP file: </span></div></li></ul><div style="color: rgb(0, 0, 0); line-height: 1.38; margin-left: 36pt; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">igs00p03.erp.Z → IGS0OPSSNX_19961821200_00U_01D_ERP.ERP.gz</span></div><ul style="color: rgb(0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding-inline-start: 48px;" class=""><li dir="ltr" aria-level="1" style="list-style-type: disc; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Accumulated rapid ERP file: </span></div></li></ul><div style="color: rgb(0, 0, 0); line-height: 1.38; margin-left: 36pt; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">igs96p02.erp.Z → IGS0OPSRAP_19961821200_00U_01D_ERP.ERP.gz</span></div><ul style="color: rgb(0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding-inline-start: 48px;" class=""><li dir="ltr" aria-level="1" style="list-style-type: disc; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre;" class=""><div style="line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Accumulated ultra-rapid ERP file: </span></div></li></ul><div style="color: rgb(0, 0, 0); line-height: 1.38; margin-left: 36pt; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">igu00p01.erp.Z → IGS0OPSULT_20000851200_00U_06H_ERP.ERP.gz</span></div><br class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Additional information can be found in the </span><a href="https://files.igs.org/pub/resource/guidelines/Guideline%20for%20the%20transition%20of%20the%20IGS%20products%20to%20IGS20%20and%20long%20filenames%20-%20v1.0.pdf" style="text-decoration: none;" class=""><span style="color: rgb(17, 85, 204); font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; text-decoration: underline; text-decoration-skip-ink: none; vertical-align: baseline; white-space: pre-wrap;" class="">Guideline for the transition of the IGS products to the long filenames</span></a><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">.</span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0);" class=""><span style="text-align: justify; font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span><span style="text-align: justify; white-space: pre-wrap;" class="">~~~~~~~~~</span></div><div style="color: rgb(0, 0, 0);" class=""><span style="text-align: justify; white-space: pre-wrap;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0);" class=""><span style="white-space: pre-wrap; text-align: justify;" class="">If you have any questions, concerns, or general feedback to this document or the implementation, please let us know.</span></div><div style="color: rgb(0, 0, 0);" class=""><span style="white-space: pre-wrap; text-align: justify;" class=""><br class=""></span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Best regards,</span></div><br class=""><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">Markus Bradke</span></div><div style="color: rgb(0, 0, 0); line-height: 1.38; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;" class=""><span style="font-variant-ligatures: normal; font-variant-east-asian: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;" class="">(on behalf of the IGS Infrastructure Committee)</span></div></span><br class="Apple-interchange-newline" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><div class="">
<meta charset="UTF-8" class=""><div>M.Eng. Markus Bradke</div><div><br class=""></div><div>IGS Infrastructure Committee Coordinator<br class=""><br class="">Section 1.1 Space Geodetic Techniques<br class="">Phone: +49 (0)331/288-1182<br class=""><a href="mailto:markus.bradke@gfz-potsdam.de" class="">Email: markus.bradke@gfz-potsdam.de</a><br class=""><br class="">Helmholtz Centre Potsdam<br class="">GFZ German Research Centre for Geosciences<br class="">Foundation under public law of the federal state of Brandenburg<br class="">Telegrafenberg, D-14473 Potsdam</div>
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