Mark, Thank you for posting this. It might help in a mystery I had yesterday!
Yesterday, I was listening to the MD A-10s when I got a Signal Stalker hit on 251.75 I looked at my own ADSB computer and noticed an unknown hex. I looked on ADSB Exchange and it was showing a Chinook with reg 17-01001 nearly a top my house at that time heading NE with HEX AE660C at 18,950 feet. Hmm, do Chinooks fly that high? We never get them up here so I don't know! Right behind him about twenty miles was another unknown HEX of AE6611 at the same altitude and bearing. Now I'm getting many comms A-A on 251.75 The comms were quiet as in no jet noise, no helicopter noise, and no prop noise like a C-130. They didn't say too much other than fuel consumption and indicated and true airspeeds. They were around 230 knots true airspeed. No callsigns heard, nothing! I couldn't tell how many were there but at least the two. 251.75 is a know VT 158th frequency but it was definitely not them. A friend heard the same frequency in his area near Philadelphia the previous day with no ID. He thought it was the VT boys too. Another friend suggests it may have been VFA-34 F-18s from Oceana as that is their OPs freq but I'm pretty sure it's not F-18s as I've heard many before and it didn't sound like that. Well, as of right now, your post of these guys flying through the US to Canada make the most sense. Here's the data saved on my box for them:
AE660C tracked 1057-1119 AM at 18,950 feet squawk 1343
AE6611 tracked 1109-1126 AM at 18,950 feet no squawk showing.
That's my mystery, hope it helps figuring who I heard and who triggered my signal stalker on the old Pro-163.
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