From 0fdac0e259a4b9870b762344a6a0cb603a39ba32 Mon Sep 17 00:00:00 2001
From: David Protzman <None@None.None>
Date: Sun, 19 Jun 2022 14:47:17 -0400
Subject: [PATCH] Fixed bug in running average tracking logic

---
 gnuradio/gr-droneid/lib/normalized_xcorr.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnuradio/gr-droneid/lib/normalized_xcorr.cc b/gnuradio/gr-droneid/lib/normalized_xcorr.cc
index c30f884..3b9db5a 100644
--- a/gnuradio/gr-droneid/lib/normalized_xcorr.cc
+++ b/gnuradio/gr-droneid/lib/normalized_xcorr.cc
@@ -66,7 +66,7 @@ namespace gr {
                 std::copy(samples + offset, samples + offset + window_size_, temp_.begin());
 
                 running_sum += samples[offset + window_size_ - 1] - last_val;
-                last_val = samples[window_size_ + window_size_ - 1];
+                last_val = samples[offset];
 
                 const auto mean = running_sum / static_cast<sample_t>(window_size_);