2.0.0 spase://SMWG/Instrument/NeutronMonitor/Haleakala Haleakala Neutron Monitor 2019-05-05T12:34:56Z The Haleakala, Hawaii Neutron Monitor was established in 1991 as a long-term replacement for the monitor at Huancayo, Peru. It consists of a standard 12-tube IGY monitor and an 18-tube NM-64 supermonitor. spase://SMWG/Person/Clifford.Lopate GeneralContact Haleakala Neutron Monitor https://www.ngdc.noaa.gov/stp/solar/cosmic.html Introduction to Haleakala and Huancayo Monitors EnergeticParticleInstrument Haleakala spase://SMWG/Observatory/NeutronMonitor/Haleakala