Prepare for using vlsr correction from astropy

track_doppler.py

@@ -30,6 +30,10 @@ def doppler_harm(sky_coordinate, time, tracking_frequency):
 
     return freq_doppler * u.MHz
 
+def doppler_vlsr(sky_coordinate, time, tracking_frequency):
+    # TODO: finish this function (wrap doppler_frequency from vlsr
+    return 42
+
 def track_doppler(lo=None, dt=None,
                   tracking_frequency=freq_hi,
                   doppler_function=doppler_harm,
@@ -56,5 +60,5 @@ def track_doppler(lo=None, dt=None,
         sky_coordinate = dt.radec
         freq_doppler = doppler_function(sky_coordinate, time.time(), tracking_frequency)
         dfreq = 1*u.GHz + tracking_frequency - freq_doppler
-        lo.frequency = dfreq * 1e6
+        lo.frequency = dfreq
         exit_event.wait(timeout=0.5)

vlsr.py

@@ -47,7 +47,7 @@ def doppler_frequency(t: Time, loc: EarthLocation, psrc: SkyCoord,
     Returns:
         Quantity: Observable frequency
     """
-    v1 = vlsr(t, loc, psrc)
+    v1 = vlsr(t, loc, psrc, verbose=verbose)
 
     beta = v1/astropy.constants.c
     return np.sqrt((1 + beta)/(1 - beta)) * rest_frequency