wrusers.md

@@ -135,18 +135,12 @@
 <!-- end list -->
 
   - [China Spallation Neutron Source Institute of High Energy Physics
-    Chinese Academy of Sciences -
-    CSNS](http://csns.ihep.ac.cn/english/), Beijing, China (Oct 2012,
-    April 2017)
+    Chinese Academy of Sciences - CSNS](http://csns.ihep.ac.cn/english/), Beijing, China (Oct 2012, April 2017)
       - Timing system of the spectrometer. Target and instrument control
-        
-      - Experimental control of the neutron spectrometer during the
-        construction of the project. 
-      - [The time synchronization of CSNS neutron
-        instrument](http://ieeexplore.ieee.org/document/7543087/), Real
+      - Experimental control of the neutron spectrometer during the construction of the project. 
+      - [The time synchronization of CSNS neutron instrument](http://ieeexplore.ieee.org/document/7543087/), Real
         Time Conference (RT), 2016 IEEE-NPSS, J.Zhuang et al.
 
-<!-- end list -->
 
   - [CHIRON-IT](http://chiron-it.nl/), The Netherlands 
       - Measurement system for high-voltage tests, using
@@ -155,22 +149,12 @@
       - 700 measurement nodes will be installed at three independent
         locations. (M.Emke, Feb.2015)
 
-* [CNGS](https://en.wikipedia.org/wikis/CERN_Neutrinos_to_Gran_Sasso)
-Timing for neutrino measurements (2012-2014), Italy
-
-*\* *We are running now 9 SPECs for our gamma-ray array prototype.*
-(November 2013)
-
-*\* [*Performance results of the first White Rabbit installation for
-CNGS time
-transfer*](https://www.ohwr.org/project/white-rabbit/uploads/f6b8a652d6227219136039f81729727f/ISPCS2012_WRinCNGS.pdf)
-(pdf)
+  - [CNGS](https://en.wikipedia.org/wikis/CERN_Neutrinos_to_Gran_Sasso) Timing for neutrino measurements (2012-2014), Italy
+    - *We are running now 9 SPECs for our gamma-ray array prototype.* (November 2013)
+    - [*Performance results of the first White Rabbit installation for CNGS time transfer*](https://www.ohwr.org/project/white-rabbit/uploads/f6b8a652d6227219136039f81729727f/ISPCS2012_WRinCNGS.pdf) (pdf)
+     - [CERN to Gran Sasso Time Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
 
-*\* [CERN to Gran Sasso Time
-Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
-
-  - [CTA - Cherenkov Telescope Array](http://www.cta-observatory.org/),
-    [32
+  - [CTA - Cherenkov Telescope Array](http://www.cta-observatory.org/),  [32
     countries](https://en.wikipedia.org/wikis/Cherenkov_Telescope_Array#cta_consortium_members_and_ctao_shareholders)
       - [Array Time Synchronization - First Tests with
         WhiteRabbit](http://www.ifh.de/~wischnew/talks/cta/collaboration_amsterdam_201205/wr_using_amsterdam_finpub.pdf)
@@ -186,7 +170,6 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
         board](http://accelconf.web.cern.ch/AccelConf/icalepcs2017/papers/tupha090.pdf)  
         *C. Champion et al, CTA Consortium, ICALEPCS 2017*
 
-<!-- end list -->
 
   - [Culham Centre for Fusion Energy](http://www.ccfe.ac.uk/) (G.
     Naylor, S.Hall, B.Huang, Jan.2013-Apr.2015), UK
@@ -397,7 +380,6 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
       - This WR network will be the first WR implementation on North
         America. (D.Torretta, 3/2017)
 
-<!-- end list -->
 
   - [GSI Helmholtzzentrum für Schwerionenforschung
     GmbH](https://www.gsi.de), Germany
@@ -422,7 +404,8 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
         Documents](https://www-acc.gsi.de/wikis/Timing/TimingSystemDocuments)
         (papers, technical documents)
 
-<!-- end list -->
+  - [HERA - Hydrogen Epoch of Reionization Array](https://reionization.org/)
+    - Radio telescope dedicated to observing large scale structure during and prior to the epoch of reionization.(2/2020)
 
   - [IMPCAS - The Institute of Modern Physics (IMP) of the Chinese
     Academy of Sciences](http://english.imp.cas.cn/), China
@@ -533,10 +516,8 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
 
   - [KRISS](https://www.kriss.re.kr/eng/main/main.html) (Korea)
       - Transfer of UTC\[KRIS\] from KRISS to Korea Electric Power
-        company using White Rabbit. (January
-    2019)
+        company using White Rabbit. (January 2019)
 
-<!-- end list -->
 
   - [LHAASO](http://physicsworld.com/cws/article/news/2016)
     ([Tsinghua University,
@@ -591,7 +572,6 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
             -LHAASO*](http://icrc2009.uni.lodz.pl/proc/pdf/icrc1168.pdf)
             (general article about LHAASO)
 
-<!-- end list -->
 
   - [LNE-SYRTE](http://lne-syrte.obspm.fr/): the French National
     Metrology Institutes (2015-), France
@@ -613,10 +593,8 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
         [LNE-SYRTE](http://lne-syrte.obspm.fr/): the French National
         Metrology Institutes (2015-), France (Oct.2018)
 
-<!-- end list -->
 
-  - [MIKES](http://www.mikes.fi/en) (Centre for metrology and
-    accreditation, Finland) (April 2013)
+  - [MIKES](http://www.mikes.fi/en) (Centre for metrology and accreditation, Finland) (April 2013)
       - [White Rabbit at MIKES](mikes) OHR wiki page
       - [Evaluating WR for comparison and synchronization of
         geographically distant atomic
@@ -641,10 +619,9 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
         UTC\[MIKE\]](https://maanmittauslaitos.fi/en/topical_issues/metsahovi-connected-official-time-finland)
         (Aug.2017)
 
-<!-- end list -->
 
-  - [Paris Observatory](http://www.obspm.fr/?lang=en) (Observatoire de
-    Paris / CNRS-INSU, CNRS-IN2P3), France (July 2015)
+
+  - [Paris Observatory](http://www.obspm.fr/?lang=en) (Observatoire de Paris / CNRS-INSU, CNRS-IN2P3), France (July 2015)
       - [NEBuLA - Wideband digitiser for
         astronomy](http://nebula.obs-nancay.fr/?lang=en) (NumEriseur à
         Bande Large pour l’Astronomie)
@@ -654,7 +631,14 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
           - Provide time and frequency references to allow for
             multi-antennae processing, further in the chain.
 
-<!-- end list -->
+  - [SKA - Square Kilometre Array](http://skatelescope.org).
+      - The dish receivers have to maintain coherence - which means
+        phase stability to an equivalent rms of 1 ps over time scales of
+        10-15 mins. This can be done by using go and return signals on
+        optical fibre. In addition time at the dishes and stations need
+        to be known to a few ns. The latter could be done by a network
+        of GPS receivers, NPT or White Rabbit. White Rabbit looks good
+        in terms of cost/performance.
 
   - [Universiteit van Amsterdam](http://www.uva.nl/en/home),
     [API](http://www.astro.uva.nl),
@@ -673,8 +657,6 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
         facilities
         ([presentation](http://indico.cern.ch/event/192695/session/14/contribution/152/material/slides/0.pdf))
 
-<!-- end list -->
-
   - [Vrije Universiteit Amsterdam, dept of Physics and
     Astronomics](https://www.nat.vu.nl/en/index.aspx), The Netherlands
       - [SuperGPS through optical
@@ -682,8 +664,7 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
       - [Workshop on Optical Networks for Accurate Time and Frequency
         Transfer](http://www.ptb.de/emrp/1328.html)
       - Partners 
-          - Dutch Metrology Institute ([VSL Delft](http://www.vsl.nl/3)
-            )
+          - Dutch Metrology Institute ([VSL Delft](http://www.vsl.nl/3))
               - [Slides of
                 plans](https://www.ohwr.org/project/white-rabbit/uploads/40120120076ce7618e8a88d410350e95/130715_VSL.pdf).
                 5 km link working (14/8/2013)
@@ -750,14 +731,6 @@ Transfer](https://www.ohwr.org/project/cngs-time-transfer/wiki)
     Technology of China, China (Oct 2012)
       - Upgrade of the timing and control systems of accelerators. Will
         build demo to assess the feasibility.
-  - [SKA - Square Kilometre Array](http://skatelescope.org).
-      - The dish receivers have to maintain coherence - which means
-        phase stability to an equivalent rms of 1 ps over time scales of
-        10-15 mins. This can be done by using go and return signals on
-        optical fibre. In addition time at the dishes and stations need
-        to be known to a few ns. The latter could be done by a network
-        of GPS receivers, NPT or White Rabbit. White Rabbit looks good
-        in terms of cost/performance.
   - [SPring-8](http://www.spring8.or.jp/en) (Japan) (Nov 2014)
       - An evaluation system for a new trigger and tag information
         distribution system using White Rabbit.
@@ -1162,5 +1135,5 @@ _Experience is excellent (\!\!)._ (DESY, 28/10/13)
 
 -----
 
-9 December 2019
+26 February 2020