The k5tr20.wav file contains the following:

1. At the start of the file, you will hear me tuning on 40 meter in 
the right channel and CQing on 20 meters in the left.

2. On 40 meters, I tune in NV7A finishing a QSO with N9CK.  I call
NV7A just as K5TR and K8LN answer one of my CQs on 20 meters.  

3. I work NV7A on 40 while K5TR keeps calling me on 20.

4. After the NV7A QSO, I work K5TR on 20 while KA9FOX calls me on 40.

5. While receiving the exchange from K5TR, my software automatically
launches a CQ on 40.

6. KA9FOX answers this CQ.  I work him on 40.  Afterwards, I start
tuning around on 40 again - CQing on 20.  After my second CQ, K8LN
calls me again and I work him there.

The rate during this segment is 2 QSOs/minute - or 120/hour.  This 
happened around 0205 UTC.  Note how N6TR pretty much sounded like a
lid to all of the four stations worked, except NV7A.  

Tree