From 1b2ed29ebacaf555756a340eb4c98eba8fab7dae Mon Sep 17 00:00:00 2001
From: Joe Taylor <joe@princeton.edu>
Date: Thu, 24 Jun 2021 14:26:22 -0400
Subject: [PATCH] Correct a one-symbol offset in the MAP65 Tx waveform for Q65,
 leading to +0.6 s DT bias.

---
 map65/libm65/gen_q65_wave.f90 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/map65/libm65/gen_q65_wave.f90 b/map65/libm65/gen_q65_wave.f90
index 08f84ab20..bd91c8ddb 100644
--- a/map65/libm65/gen_q65_wave.f90
+++ b/map65/libm65/gen_q65_wave.f90
@@ -36,7 +36,7 @@ subroutine gen_q65_wave(msg,ntxfreq,mode65,msgsent,iwave,nwave)
   j0=0
   do i=1,iz
      t=t+dt
-     j=t/tsym
+     j=t/tsym + 1.0
      if(j.ne.j0) then
         f=f0 + itone(j)*dfgen
         dphi=twopi*dt*f