BNSF 7463 South, beautiful sounding K5HL and DPU power

Southbound BNSF 7463 leading a H-LAUDEN has a very nice sounding K5HL horn with four bells forward and one reversed. Opposite of what GEVO’s typically have for horn arrangement.
Recorded 8/27/23

[@OldcampRanch]

Nice catch👍🏻

[@ElPasoTXRailfanner]

I Just Don't Get Why The Horn Is Foward But Great Catch Your From Longmont Colorado I'm A Railfan From El Paso Texas LOL And There's Some Broken K3HLs Tho And K5HLs Tho