Very interesting, @SweetPea11. That’s the same message I see when my MLAT flag goes red. I would agree that all these different versions and systems doing it does seem to point to FlightAware for whatever is going on. Also makes me wonder if it’s more widespread but being intermittent, maybe nobody else has spotted it?
This is actually a display bug on the stats page.
Thanks
Good to know.
S.
When you have a moment, could you elaborate?
Does one site have a MLAT problem and the stats page is wrongly displaying the message for two sites on that account, or is the stats page wrongly displaying MLAT problems?
Yes, exactly. (20 chars)
MLAT flag went red again and a reboot fixed it again.
@obj - are others having this same MLAT issue or is it just SweetPea11 and myself? Since you guys have the web server that reports it, are there logs that might show if this is just a few of us seeing this issue?
Might just do a full, fresh reinstall of the SD image and see if that helps, but after SweetPea11 reported seeing it too, I wonder if this is more widespread.
No it sounds like one of your sites has a legitimate MLAT issue.
But with this bug it seems hard to say which one.
Well actually you already know:
Mar 19 11:47:23 raspberrypi piaware[544]: mlat-client(24104): Server status: clock unstable
So it’s the one with this in the log.
Do you have another SDR you can try … it’s almost always something along those lines.
I don’t see any unusual behaviour out of the mlat system at the moment if that’s what you’re asking.
It is common for there to be a lot of sites with sync problems (bad locaitons, marginal hardware)
FWIW your receiver looks fine currently (and has been for the last 7000-ish seconds or so):
PeerID Distance State Frequency Error LastReset Expires
101..2 482.9km Valid +0.7ppm 1066ns 59.5s -
101..6 389.5km New -0.5ppm 90ns 20.0s 13.2s
102..9 186.3km Valid -0.4ppm 114ns 6836.7s -
102..8 79.2km Valid +0.4ppm 249ns 2536.2s -
102..5 464.0km Valid -0.0ppm 399ns 22.9s 23.2s
102..5 492.7km Valid +0.9ppm 171ns 4663.6s -
102..0 40.7km Valid +3.0ppm 128ns 6837.5s -
102..2 67.3km Valid -2.0ppm 237ns 156.0s -
102..5 226.1km Valid -0.6ppm 182ns 6838.2s -
102..8 112.7km Valid -0.1ppm 121ns 5650.7s -
102..1 462.0km Valid +0.9ppm 161ns 6836.5s -
102..6 454.1km Valid +0.0ppm 144ns 6836.5s -
102..1 326.8km Stepped +1.2ppm 7072ns 0.0s -
102..4 467.5km Valid +1.2ppm 172ns 638.9s -
102..5 66.5km Valid -2.0ppm 94ns 6838.0s -
102..6 71.4km Valid +0.0ppm 246ns 2089.3s -
102..8 458.5km Valid +0.3ppm 198ns 218.5s -
102..2 487.0km Valid +0.1ppm 153ns 4777.8s -
102..9 485.2km Stepped -0.2ppm 1945ns 14.9s 23.2s
102..2 459.8km New -1.0ppm 0ns 0.0s 23.2s
102..9 404.3km Valid +0.0ppm 458ns 38.6s -
102..0 492.6km Valid +0.2ppm 184ns 4384.0s 23.2s
102..7 384.0km New +49.7ppm 0ns 0.0s 3.2s
102..1 435.0km Valid -0.4ppm 139ns 4659.6s -
102..8 295.3km Stepped -0.2ppm 5002ns 3.4s -
103..7 459.1km Valid -3.1ppm 225ns 3202.7s 13.2s
103..0 384.0km Valid -0.6ppm 168ns 4667.6s -
103..2 5.0km Valid -0.2ppm 102ns 6834.4s -
103..3 249.4km Valid -0.1ppm 101ns 419.5s -
103..4 443.1km Valid -0.6ppm 94ns 594.2s -
103..6 247.5km Valid +1.6ppm 570ns 62.6s -
103..9 450.6km Valid -0.0ppm 313ns 107.4s -
103..3 73.7km Valid +80.4ppm 144ns 6838.6s -
103..1 42.1km Valid -0.6ppm 575ns 5546.9s -
103..5 385.0km New -0.4ppm 130ns 2.9s -
103..4 369.9km Valid +1.2ppm 122ns 65.3s -
103..4 394.2km Valid +0.0ppm 154ns 6837.1s -
103..4 462.9km Valid -1.5ppm 102ns 540.9s -
103..9 344.4km Valid +0.6ppm 97ns 6837.7s -
103..9 79.7km Valid -0.7ppm 105ns 6836.9s -
103..5 453.7km Valid -0.7ppm 1896ns 45.4s -
103..9 11.4km Valid +0.1ppm 148ns 6832.8s -
103..3 205.4km Valid +1.0ppm 138ns 6837.1s -
103..8 407.9km Valid +0.1ppm 109ns 6837.0s -
103..3 387.8km Valid +1.1ppm 99ns 398.6s 13.2s
103..4 71.6km Valid -0.4ppm 124ns 6838.2s -
103..6 10.0km Valid +0.0ppm 78ns 6838.2s -
103..5 380.1km New +32.4ppm 0ns 0.0s -
103..0 154.1km Valid -0.2ppm 132ns 6837.4s -
103..6 227.2km Valid -0.9ppm 127ns 6837.5s -
103..0 379.7km Valid -0.6ppm 1214ns 42.0s -
103..7 463.4km Valid +3.4ppm 181ns 1400.6s -
103..8 528.9km Valid -0.4ppm 188ns 705.6s 23.2s
103..4 477.3km Valid -0.2ppm 176ns 4664.8s -
103..3 452.4km New -0.4ppm 177ns 7.1s -
103..3 311.1km New -0.5ppm 116ns 0.6s -
103..6 69.8km Valid -0.6ppm 108ns 6838.2s -
103..3 449.8km Valid +0.1ppm 129ns 6836.1s -
103..0 389.2km Valid -0.6ppm 137ns 4664.6s -
103..7 308.3km Valid -1.0ppm 126ns 60.3s -
103..4 386.3km Valid +41.6ppm 197ns 4664.8s -
103..4 11.0km Valid -1.4ppm 81ns 6837.9s -
103..2 390.5km New -0.5ppm 647ns 43.1s -
103..1 70.5km Valid -0.4ppm 132ns 6837.8s -
103..4 457.0km Valid +0.1ppm 146ns 6836.5s -
103..1 307.3km New +0.8ppm 2159ns 26.4s 13.2s
103..3 503.1km New +0.7ppm 480ns 7.1s -
103..1 72.9km Valid +33.5ppm 126ns 6838.2s -
103..8 210.5km Valid +1.5ppm 105ns 6838.0s -
103..8 471.9km Valid -0.0ppm 142ns 4745.0s -
103..2 442.0km Valid -0.9ppm 242ns 184.1s -
103..8 462.1km New -1.1ppm 32ns 7.1s -
103..3 244.1km Valid -0.1ppm 79ns 6837.8s -
103..2 300.9km Valid -0.1ppm 120ns 1312.4s -
103..1 448.7km New -0.5ppm 139ns 1.1s -
103..9 446.1km New -1.1ppm 0ns 0.0s -
103..5 40.0km Valid -0.1ppm 144ns 6833.0s -
103..3 438.7km Valid -0.5ppm 845ns 27.9s -
103..4 8.9km Valid +0.0ppm 87ns 6837.9s -
103..9 442.7km Valid +76.9ppm 91ns 578.6s -
103..9 233.5km Valid +1.9ppm 666ns 6837.9s -
103..4 450.4km Valid -0.3ppm 141ns 6834.5s -
103..8 242.2km Valid -0.4ppm 113ns 6837.8s -
103..0 201.6km Valid -1.8ppm 106ns 6838.2s -
103..4 449.3km Valid +0.2ppm 105ns 1311.5s -
103..2 103.8km Valid +0.6ppm 86ns 6838.2s -
103..6 362.7km Valid -0.2ppm 313ns 78.4s 23.2s
103..7 366.1km Valid +0.0ppm 150ns 740.0s 3.2s
103..3 285.1km Valid -2.4ppm 147ns 6838.1s -
103..8 326.3km New -0.0ppm 180ns 44.1s -
103..7 497.1km Valid -0.2ppm 185ns 4756.5s -
103..0 329.4km Valid -0.3ppm 89ns 6837.2s -
103..4 317.1km Valid -1.0ppm 150ns 6837.9s -
103..4 74.3km Valid -1.2ppm 143ns 6837.9s -
103..3 487.2km Valid -0.6ppm 191ns 545.7s 23.2s
103..4 456.7km Valid +0.5ppm 118ns 159.2s -
103..1 396.0km Valid -1.1ppm 123ns 4667.8s -
103..6 387.3km Valid +1.1ppm 235ns 30.7s -
103..5 420.2km New -0.2ppm 303ns 20.8s 23.2s
103..4 386.1km New -2.8ppm 14ns 1.0s -
103..0 368.9km Valid +0.2ppm 104ns 6837.5s -
103..6 74.5km Valid +70.0ppm 1530ns 57.8s -
103..7 241.8km Valid -0.2ppm 129ns 6837.8s -
103..1 230.0km Valid +0.3ppm 136ns 6838.1s -
103..5 509.6km New +0.0ppm 1289ns 32.8s 13.2s
103..6 459.3km Valid -0.8ppm 132ns 71.8s 23.2s
103..0 202.1km Valid -0.2ppm 117ns 6837.4s -
103..4 208.5km Valid +0.1ppm 114ns 6837.5s -
103..2 511.6km Valid -0.4ppm 258ns 566.6s -
103..9 282.9km Valid -0.4ppm 122ns 6838.2s -
103..1 5.7km Valid -0.1ppm 83ns 6148.1s -
103..0 384.8km Valid +0.2ppm 167ns 4189.3s -
103..7 434.9km Valid -1.6ppm 122ns 3105.5s -
103..0 112.3km Valid +0.1ppm 495ns 2819.5s -
103..9 388.9km New +0.2ppm 0ns 0.0s 13.2s
103..1 375.4km Valid +0.1ppm 116ns 1370.6s 23.2s
103..0 475.5km New -0.5ppm 0ns 0.0s 3.2s
103..2 391.1km Valid +0.4ppm 154ns 254.7s -
Pairings: 118 Usable: 96 Unstable: 3
Inhibit: NONE Instability: 0
PeerID Distance State Frequency Error LastReset Expires
263206 196.6km Valid -1.2ppm 126ns 6912.5s -
267870 473.4km Valid -0.7ppm 181ns 845.4s -
269267 186.3km Valid -0.4ppm 162ns 6914.0s -
269611 79.2km Valid +0.4ppm 267ns 2742.8s -
269623 74.1km Outliers +97.6ppm 1033ns 148.0s -
269852 114.2km Valid +0.5ppm 599ns 6914.3s -
269888 204.7km Valid +2.1ppm 133ns 6914.3s -
270326 70.1km Valid -0.2ppm 129ns 6913.8s -
270340 75.3km Valid -0.9ppm 115ns 6914.3s -
270430 434.0km Valid -0.4ppm 159ns 104.8s -
270541 40.7km Valid +3.1ppm 186ns 6913.4s -
270572 67.3km Valid -2.0ppm 224ns 234.2s -
270865 112.7km Valid -0.1ppm 161ns 5726.9s -
271280 70.1km Valid -0.6ppm 203ns 3176.9s -
271386 66.5km Valid -2.0ppm 124ns 6914.6s -
271389 68.7km Valid -1.4ppm 98ns 6914.6s -
271392 71.4km Valid +0.0ppm 329ns 2161.6s -
271492 54.9km Valid +0.2ppm 101ns 6914.3s -
271538 418.2km Valid -1.3ppm 777ns 78.9s 12.8s
271539 418.2km Valid +72.8ppm 136ns 2263.0s -
271693 77.6km Valid +0.7ppm 702ns 2403.4s -
271749 5.0km Valid -0.2ppm 141ns 6913.6s -
271760 389.0km New -2.0ppm 0ns 0.0s 22.8s
271765 64.6km Valid -0.4ppm 103ns 6914.6s -
271779 69.8km Valid +0.6ppm 148ns 6913.9s -
271821 73.7km Valid +80.3ppm 143ns 6914.3s -
271822 81.7km Valid +0.6ppm 680ns 5745.9s -
271837 68.1km Valid +0.8ppm 162ns 6912.4s -
271851 42.1km Valid -0.7ppm 506ns 5622.9s -
271925 72.1km Valid -0.0ppm 205ns 376.1s -
271938 67.7km Valid -2.3ppm 152ns 6914.6s -
271978 393.0km Valid +0.5ppm 134ns 849.8s -
272096 79.7km Valid -0.7ppm 108ns 6913.7s -
272098 11.4km Valid +0.0ppm 118ns 6908.9s -
272103 75.6km Valid +0.3ppm 96ns 6914.0s -
272110 383.0km Valid +1.1ppm 411ns 310.8s -
272112 192.3km Valid +3.0ppm 399ns 41.1s 22.8s
272125 71.6km Valid -0.3ppm 116ns 6914.6s -
272126 10.0km Valid +0.1ppm 106ns 6914.6s -
272171 154.1km Valid -0.2ppm 166ns 6913.4s -
272227 76.8km Valid +0.3ppm 145ns 6914.5s -
272252 64.0km Valid +1.3ppm 252ns 6914.3s -
272309 362.5km Valid +0.9ppm 134ns 6157.2s -
272323 69.8km Valid -0.6ppm 127ns 6914.6s -
272351 79.2km Valid -0.4ppm 1400ns 6914.1s -
272358 11.0km Valid -1.3ppm 126ns 6914.6s -
272380 70.5km Valid -0.4ppm 141ns 6914.4s -
272390 107.4km Valid +5.9ppm 143ns 6913.8s -
272399 375.1km Valid +0.1ppm 226ns 2802.0s -
272406 72.9km Valid +33.6ppm 133ns 6914.4s -
272415 81.8km Valid -0.4ppm 469ns 5726.8s -
272465 443.6km New +45.8ppm 51ns 1.0s -
272478 76.5km Valid +2.2ppm 173ns 6906.4s -
272489 111.9km Valid +0.3ppm 122ns 6914.3s -
272495 234.8km Valid +1.5ppm 87ns 6812.3s -
272503 425.9km Valid +1.2ppm 129ns 889.0s -
272505 70.4km Valid +0.7ppm 134ns 6914.5s -
272506 40.0km Valid -0.2ppm 110ns 6913.4s -
272516 8.9km Valid -0.0ppm 82ns 6914.3s -
272529 373.7km Valid -26.0ppm 151ns 646.8s -
272541 103.8km Valid +0.6ppm 98ns 6914.6s -
272543 66.4km Valid -0.6ppm 109ns 6914.6s -
272548 336.4km Valid -0.1ppm 149ns 6914.0s -
272564 525.1km Valid -0.3ppm 1259ns 119.5s -
272579 275.8km Valid -0.4ppm 128ns 6914.0s -
272583 188.7km Valid +1.1ppm 114ns 6914.4s -
272596 413.0km Valid -0.6ppm 86ns 2432.5s -
272603 461.7km Valid -0.8ppm 119ns 855.9s -
272608 74.3km Valid -1.2ppm 114ns 6914.5s -
272639 70.1km Valid -0.0ppm 112ns 6914.0s -
272688 72.1km Valid -0.9ppm 123ns 6914.2s -
272728 17.6km Valid -0.3ppm 88ns 6914.6s -
272735 66.4km Valid -0.5ppm 227ns 3179.7s -
272739 67.8km Valid +0.7ppm 117ns 6914.1s -
272750 544.6km Valid +1.4ppm 149ns 137.9s -
272753 81.8km Valid -1.1ppm 115ns 6914.4s -
272760 287.6km Valid -0.5ppm 138ns 6914.0s -
272767 60.4km Valid -0.4ppm 104ns 6914.3s -
272788 377.7km Valid -3.4ppm 219ns 1720.3s -
272799 5.7km Valid -0.1ppm 105ns 6224.1s -
272803 71.9km Valid -0.2ppm 128ns 5953.6s -
272815 112.3km Valid +0.1ppm 551ns 2895.7s -
272826 61.5km Valid -0.5ppm 158ns 40.2s -
Pairings: 83 Usable: 80 Unstable: 0
Inhibit: NONE Instability: 0
Ok, will start swapping hardware then. When Sweetpea11 said his sites were seeing it too, across different hardware and software versions, even if it was only one of the stations, it seemed that there might be an external cause. Intermittent problems are the worst.
Thanks guys!
As MLAT is not enabled on this site I am unclear how it can have
S.
Did you read the thing about the anomalies being duplicated (display bug?) You should read the thing about the anomalies being duplicated.
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