From b2dc526b9abd981b31887e5092e84973409e9aa9 Mon Sep 17 00:00:00 2001
From: Carles Fernandez <carles.fernandez@gmail.com>
Date: Wed, 22 Aug 2018 18:54:46 +0200
Subject: [PATCH] Fix gpx printer

---
 src/algorithms/PVT/libs/gpx_printer.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/algorithms/PVT/libs/gpx_printer.cc b/src/algorithms/PVT/libs/gpx_printer.cc
index 1949bb7dc..51fa6760f 100644
--- a/src/algorithms/PVT/libs/gpx_printer.cc
+++ b/src/algorithms/PVT/libs/gpx_printer.cc
@@ -123,8 +123,9 @@ bool Gpx_Printer::print_position(const std::shared_ptr<rtklib_solver>& position,
     double vdop = position_->get_vdop();
     double pdop = position_->get_pdop();
     std::string utc_time = to_iso_extended_string(position_->get_position_UTC_time());
-    utc_time.resize(23);   // time up to ms
-    utc_time.append("Z");  // UTC time zone
+    if (utc_time.length() < 23) utc_time += ".";
+    utc_time.resize(23, '0');  // time up to ms
+    utc_time.append("Z");      // UTC time zone
 
     if (print_average_values == false)
         {