HomeUSAColoradoSouth PlatteDevil's HeadAnalog AlcoveVacuum Tube5.9-Ultra High Frequency5.10a5.9sportFA unknownCREATED UPDATED Tick this climbDescriptionLocationProtectionRoutes in Analog Alcove1One Tree Crack5.9Trad · Sport2Amplitude Modulated5.10aSport3Frequency Modulated5.9Sport4Oscilloscope5.10bSport5Vacuum Tube5.9-Sport6Very High Frequency5.9Sport 7Ultra High Frequency5.10aSport8The Contrivance5.12Sport9Chronometer5.10-Sport