Station summaryHNLC

  • More informations on each symbol.
  • GPS
    Tide Gauge
IGS-type acronym : HNLC
Latitude : 21.30328737
Longitude : -157.86454399
Installed date : 1997-06-17
Decommissioned date :
Country : U.S.A.
Station status : active (green)
Distance to Tide Gauge (m) : 1
Domes Nr.: 49970S001
Station operator: Unknown
IGS-like station form :

GPS position times seriesHNLC


(Reference epoch: )

Offsets (mm)

MMaterial change or malfunction
RFReference Frame change
NANot available
Position discontinuity
Velocity discontinuity
Vertical component
East component
North Component

Data available at SONELHNLC

Quality plots on RINEX filesHNLC

Quality plots on RINEX files of HNLC Quality plots on RINEX files of HNLC Royal Observatory of Belgium

Plots generated using software developed with the EPN team at ROB
Observations & tracking performance Satellite tracking

informations (this operation may take 20 to 45s)

The satellite tracking graph has been calculated for all stations for the first day of each month. If you wish to have a graph for another date, choose the 'Calculate a specific date' option.

Comparison with satellite altimetry data

Co-located instrumentsHNLC

Photo albumHNLC


If you have a relevant reference to suggest, please send-us an e-mail : sonel@sonel.org
  • puce Caccamise II, Merrifield et al., 2005. Sea level rise at Honolulu and Hilo, Hawaii: GPS estimates of differential land motion. Geophysical Research Letters. Get this reference
  • puce Yang, Francis, 2019. Sea-Level Rise and Vertical Land Motion on the Islands of Oahu and Hawaii, Hawaii. Advances in Space Research. Get this reference BibTeX of the reference