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maybe you didn't get any data because it was the new Innova "Stealth" disc
We had a gun set up sim to the ones used for clocking baseballs during an ice bowl a few yrs back. If I recall correctly, the higher speeds that we were getting was around 75 mph. However, there were several times where there was no data on the gun. We presumed that was bc a disc is so flat so it was tough to get the radar to "hit it" to get a proper reading.