From 1d8d6cf2ced4dfc695e5fc01b51beb0a33dd0fe4 Mon Sep 17 00:00:00 2001
From: Joe Taylor <joe@princeton.edu>
Date: Fri, 2 Sep 2022 11:37:25 -0400
Subject: [PATCH] Echo-mode UTC should be that at start of Echo or Monitor
 cycle.

---
 widgets/mainwindow.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index e32d9e5ca..c0ce51483 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -1623,7 +1623,13 @@ void MainWindow::dataSink(qint64 frames)
         if(m_diskData) {
           t0=t0.asprintf("%06d  ",m_UTCdisk);
         } else {
-          t0=QDateTime::currentDateTimeUtc().toString("hhmmss  ");
+          QDateTime now=QDateTime::currentDateTimeUtc();
+          int ihr=now.toString("hh").toInt();
+          int imin=now.toString("mm").toInt();
+          int isec=now.toString("ss").toInt();
+          if(m_auto) isec=isec - isec%6;
+          if(!m_auto) isec=isec - isec%3;
+          t0=t0.asprintf("%02d%02d%02d",ihr,imin,isec);
         }
         int n=t0.toInt();
         int nsec=((n/10000)*3600) + (((n/100)%100)*60) + (n%100);