The following table provides a summary of various monument types used in the GPS community and under testing within the UNAVCO community. All monuments require separate antenna mounts.

Monument Type	Characteristics	Sites	Diagrams & Links
Rebar Reinforced Concrete Pillar UNAVCO, NGS, CORS	Long Term Survivability, Good for non-bedrock installations, Low cost	PAS1, PUB1, PUB2	Monument Pipe for Monument WDCA Concrete Monument
C Bar Reinforced Concrete Pillar NGS, CORS	Long Term Survivability, Good for non-bedrock installations, Low cost	MYT1, MYT2	CORS Monument (pdf) CORS Mon. App A (pdf) CORS Mon. App B (pdf)
Short Drilled Braced SCIGN, PANGA, UNAVCO, BARGEN	Good for remote bedrock installations, Long Term Survivability, Low cost	SC02, HALY	UNAVCO's Short Braced Short Braced Tutorial SCIGN's Short Braced PANGA's Short Braced
Stainless Steel GPS Pedestal, WCDA	Long Term Stability Minimal effects from solar radiant heating	NTKA	Overview Base Plate and Grout Installation Security Mechanism
INVAR rod encased in concrete	Low thermal expansion Low Multipath Good Stability	RBUT	Red Butte, Utah Greenland Yellowstone
Deep Drilled Braced SCIGN, BARGEN, PANGA, BARD	Good for bedrock and non-bedrock installations, High cost	CSST,	Deep Drilled Braced

Cost can vary depending upon site conditions and amount of material.

Contact Support (supportunavco.org).for further questions.

Last modified Thursday, 25-Jan-2007 23:56:50 UTC

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