Remote Station Power Analysis UNAVCO has developed an engineering model to assist power system design for year-round operation of instrumentation systems at high latitudes. Currently, this model incorporates power input from solar panels and power... Read More

The mean power consumption during a 12 hour test of the Septentrio PolaRx4 Pro receiver was: 6.11 WTesting Procedure:Input: 15 V biasAgilent N6705B DC power analyzerPower sampling rate: 10 HzThe test was conducted at room temperatureTracking GPS L1... Read More

All values were measured using an Agilent DC Power Analyzer Power consumption was measured at 12 V Measured values are given with 10% margin of error Power values will fluctuate with the number of visible satellites tracked Users must turn off... Read More

SLA Battery Cold Performance Tests: Gel vs. AGM UNAVCO performed cold chamber tests to evaluate possible differences in cold performance between Gel and AGM, the two major types of Sealed Lead-Acid (SLA) batteries. Two tests were performed with one... Read More

Summary Report on Forgen 500 Wind Turbine Performance Seth White, UNAVCO August 10 2007 updated April 30 2008 Introduction The Forgen 500 wind turbine has been tested by UNAVCO in a varitey of conditions, including two Antarctic deployments.... Read More

The mean power consumption during a 12 hour test of the Topcon Net-G3A receiver was: 4.02 WTesting Procedure:Input: 12 VAgilent N6705B DC power analyzerPower sampling rate: 10 HzTest was conducted at room temperatureTracking: GPS L1/L2 onlyLogging... Read More

The mean power consumption during a 12 hour test of the Trimble NetR9 receiver was: 3.67 WTesting Procedure:Input: 16 VAgilent N6705B DC power analyzerPower sampling rate: 10 HzTest was conducted at room temperatureTracking GPS L1/L2 onlyLogging one... Read More

* NetR9 internal UPS should be configured to only charge internal battery when system voltage is 13+ volts Read More

Trimble NetRS - Power Draw Tests UNAVCO performed a short benchtop test series to determine the difference in power draw by a Trimble NetRS receiver when connected to three common geodetic GPS antennas. All tests were performed at room temperature.... Read More

Wind Power for Remote DC Powered Stations Steven Borenstein, Warren Gallaher, Chuck Kurnik University NAVSTAR Consortium (UNAVCO) The University NAVSTAR Consortium (UNAVCO) Boulder Facility is assessing wind technology for powering remote GPS... Read More