Board of Directors Meeting
2026-04-25 09:00 - 12:00 (America/Los_Angeles)
Zoom Meeting – Contact Central Office for Link

California Spatial Reference Center Coordinating Council Meeting
2026-04-30 10:00 - 15:30
You are invited to CSRC Meeting – Virtual or in Person.

Main Topics of Discussion: CSRC, California Real Time Network (CRTN) updates and related topics relevant to California

Time: Approximately 10:00 AM to 3:30 PM; morning sessions around 10:00 AM to 12:00 PM and afternoon sessions 1:00 to 3:30 PM, with a break from approximately 12:00-1:00 PM.

Fees/Costs: There are no registration fees or costs to attend in person or virtually. For in-person attendees, lunch will be included.

To join virtually, please register at the Zoom webinar link: https://tinyurl.com/2026AprilCSRC or scan the QR code in the meeting flyer/post.

To join in-person, please RSVP by April 22 to reserve your seat and lunch, email maria@ucsd.edu (or mrturingan@ucsd.edu).

In-Person Meeting Location: Martin Johnson House, IGPP Dept., Scripps Institution of Oceanography (SIO), University of California San Diego, 8840 Biological Grade, La Jolla, 92037.

Planned Talks:

Director’s Report including CSRC/CRTN Updates, Dr. Yehuda Bock, Scripps Oceanography, UCSD

CSRC Mission and Application for Professional Land Surveying Practice, Gregory Helmer, CSRC Executive Manager

A Decade of Deformation Monitoring in California Using InSAR and GNSS, Dr. Molly Zebker, Scripps Oceanography

Real-Time Flash-Flood Prediction Using GNSS Water Vapor Observations and Deep Learning, Bhavik Chandra, Scripps Oceanography

Trimble’s Time Dependent Positioning, Dr. Chris Pearson, Trimble

EarthScope’s Network of the Americas (NOTA): Updates and Current Status, EarthScope Consortium

Caltrans Update, Kevin Maxwell

CSRC, CRTN Consortium, Upcoming Executive Committee Elections, Maria Turingan, Scripps Oceanograph

NGS Webinar
2026-04-30 11:00 - 12:00
On the Trail of the Changing Alaskan Geoid: Results of the 2025 Geoid Monitoring Survey

Presenters:Ryan Hardy, PhD, Geodesist and Geoid Modeler, NGS Gravity and Heights Branch;Kevin Jordan, Cartographer, NGS Field Operations Branch

In the fall of 2025, NGS followed up the 2021 geoid monitoring field campaign to measure geoid change in southcentral Alaska’s rugged valleys. In this webinar, NGS presenters Ryan Hardy and Kevin Jordan will discuss the challenging gravity, GNSS, and astronomical observations required to create a high-resolution snapshot of how the gravity and heights change over time. This survey has mapped out the accuracy of GEOID2022 in this region and revealed accumulated changes in orthometric heights since the Coast & Geodetic Survey’s high-precision survey following the 1964 earthquake. The data from this campaign will be used to improve the spatial resolution of GEOID2022’s dynamic component.

Chapter Meeting
2026-05-20 17:30 - 22:30
DATE:Wednesday, May 20, 2026Time:5:30pm Social6:00pm DinnerLocation:Side Street Ale House & Eatery Back Patio6155 El Camino Real, AtascaderoMapDinner: Order off the MenuMenuProgramPast President and current chair of Trig-Star Committee, Luz Garcia will discuss our chapters 40-year history of involvement in the Trig-Star program as well as talk about how it works at the State level.his will be a business meeting

The Trig-Star Program began in 1984. The idea came from Russell E. Kastelle, RLS, who was a member of the North Dakota Society of Professional Land Surveyors. As the ACSM Delegate / National Society of Professional Surveyors (NSPS) Governor from North Dakota, Kastelle’s idea came from a desire to promote the surveying profession. Originally, designed to operate only on the local level, Trig-Star soon grew to include the National Competition and scholarship opportunities.

When Kent Green proposed that NSPS sponsor Trig-Star as a national contest to NSPS president, Richard Lomax, they created the first Trig-Star Committee. Chaired by Larry Doss, they worked to develop national testing guidelines and secure funding for awards and scholarships.

Over the years, volunteers and state societies, such as the Wisconsin Society of Land Surveyors, have improved the testing instructions while Don Murphy, John Chagnon, Tony Gregory and others worked to ensure that the format and standardization remain consistent with educational criteria.

Geospatial Symposium 2026 - League of California Surveying Organizations
2026-05-21 08:30 - 16:00
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Santa Barbara Subdivision Fee Hearing
2026-06-09 09:00 - 10:00
The Santa Barbara Board of Supervisors will consider a Public Works Department proposal for an Ordinance Amending the Public Works Department Subdivision Map and Document Review Fee Schedule – Surveyor Division.

The Board of Supervisors Hearing is scheduled for June 9, 2026, starting 9:00 AM, at the County Administration Building, Board Hearing Room, Fourth Floor, 105 East Anupama Street, Santa Barbara.

This item is on the agenda to recommend that the Board of Supervisors extend the pilot program that subsidizes a portion of the fee for the review of Records of Survey in the unincorporated area of the County for an additional year, to allow time for the Department to conduct a comprehensive study of all County Surveyor fees, including the Record of Survey fee.

The link to the Agenda Item attachments is below.

https://santabarbara.legistar.com/LegislationDetail.aspx?ID=8007120&GUID=62577EC8-D4F3-4E33-8E76-BCB2BA45BB11

Deadline to respond to 2026 National Spatial Data Infrastructure (NSDI) Assessment Survey
2026-06-12 08:00 - 17:00
COGO’s 2026 National Spatial Data Infrastructure (NSDI) Assessment Surveyhttps://www.surveymonkey.com/r/COGO_2026_NSDI_Survey

National Spatial Data Infrastructure (NSDI) Assessment Survey

Every four years, the Coalition of Geospatial Organizations (COGO, https://cogonetwork.org/) conducts an assessment of the National Spatial Data Infrastructure (NSDI) in the United States. COGO is a coalition of 14 national professional societies, trade associations, and membership organizations in the geospatial field, representing more than 170,000 individual producers and users of geospatial data and technology. The purpose of the assessment report, next to be published in 2027, is to help advance the NSDI by identifying areas where attention and focus are needed and to highlight opportunities for collaborative work across entities at all levels of government, industry, and the private sectors.

This survey is a primary source of data for the assessment report writers. We seek the input from both expert and non-expert users of geospatial data. The survey contains multiple sections: one that asks about the NSDI as a whole and then separate pages for eight NSDI Framework Data themes. Once you complete this first section, you will be able to choose which of the other data themes to respond to, if you wish.

COGO thanks you for your time and thoughtful attention in contributing to this important effort.

The deadline to respond is June 12.

The survey can be found here:https://www.surveymonkey.com/r/COGO_2026_NSDI_Survey

NextGen Surveyors Study Group - Virtual Study - Free!
2026-07-11 07:00 - 16:00
Register below for the NextGen Surveyors Study Groups – NCEES FS Virtual Study Group, taking place on Saturday, July 11, 2026 (find your local start time below). This live session will be hosted on Microsoft Teams and is FREE to attend.

Registration closes Thursday, July 9, 2026 (end of business day). A confirmation email with attendance instructions will be sent one day before the study session, Friday, July 10, 2026. Participants are encouraged to bring their study materials, reference books, and an NCEES‑approved calculator

Register – by July 9.

Chapter Meeting
2026-07-15 17:30 - 20:30 | Wallace Group, 612 Clarion Ct., San Luis Obispo, CA, 93401
Kyle Brook PLS will give a presentation on the Young Surveyors Network (YSN).

Dinner will be pizza from Fatte’s Pizza.

The cost will be $10 per person and beverages will be provided.

Please RSVP to Marco Castaneda (marcoc@wallacegroup.us)

Mount Diablo 175th Anniversary Event
2026-07-18 10:00 - 16:00
Mount Diablo Surveyors Historical Society Invites you to:

Celebration of the Mount Diablo Initial Point MAP

Join surveyors, historians, and park rangers to celebrate the 175th Anniversary of the Mount Diablo Initial Point, the reference fromwhich much of California’s and all of Nevada’s public land surveys originate

Historical Surveying demonstrations

Family-friendly learning activities

Ranger talks about Mount Diablo

Educational exhibits on the Public Land Survey System

Addition Details

Upper parking lot has limited space, lower parking lot (1/4 mile) has additional parking, restrooms, picnic tables, and pedestrian trail or paved road to the summit.

Allow approximately 45 minutes to drive from either the north or south gates of the park up to the summit.$10 state park gate entrance fee

Park opens at 8am – closes at sunset

Bring your lunch / snacks / drinks / sunscreen and enjoy the whole day!

For Questions or more information please contact: mdshsorg@yahoo.com or go to https://www.mdshs.org

Board of Directors Meeting
2026-07-25 09:00 - 12:00
Zoom Meeting

Contact Central Office of CLSA for Zoom link

Chapter Summer Barbecue!!
2026-08-08 11:00 - 15:00 | Cuesta Canyon Park, San Luis Obispo, 2400 Loomis St., San Luis Obispo, California, 93405, United States

Chapter Meeting
2026-09-16 17:30 - 20:30 | Wallace Group, 612 Clarion Ct., San Luis Obispo, CA, 93401
More information to follow . . .

Women Surveyors Summit 2026 - San Diego
2026-09-17 08:00 - 2026-09-20 17:00
The Women Surveyors Summit, hosted by Future Surveyors Foundation is held to support and promote diversity in the land surveying profession.

This in-person event is the 7th Women Surveyors Summit. This is a “for women, by women” event and will include opportunities for continuing education. At a minimum 12 PDHs with at least 2 hours of Ethics willl be available.
