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| URL | https://doi.org/10.18429/JACoW-ICALEPCS2025-TUPD074 |
|---|---|
| Title | GPS IRIG-B over fiber links: an alternative to NTP |
| Authors |
|
| Abstract | Time-stamping of neutron events and environment parameters at the Spallation Neutron Source (SNS) instruments is based on Network Time Protocol (NTP) to distribute GPS time to the instrument front-ends. We are presenting an alternative way of distributing GPS time using fiber optical channels. Instead of millisecond accuracy for NTP, we distribute GPS IRIG-B signaling to remote IRIG-B receivers with an accuracy in nanoseconds. The new approach is implemented in VHDL and demonstrated on an FPGA development board using Vivado design tools. |
| Paper | download: TUPD074.pdf |
| Cite | BibTeX, LaTeX, Text/Word, RIS, EndNote |
| Conference | 20th Int. Conf. Accel. Large Exp. Phys. Control Syst. (ICALEPCS'25) |
| Series | |
| Location | Chicago, IL, USA |
| Date | 20-26 Sep 2025 |
| Publisher | JACoW Publishing, Geneva, Switzerland |
| Editorial Board | Kent Wootton (ANL), Jeffery Biss (FNAL), Gustavo Bruno (ANL), Jeff Kirchman (ANL), Kelly Jaje (ANL), Denise Skiadopoulos (ANL), SuYin Grass Wang (ANL) |
| Online ISBN | 978-3-95450-255-4 |
| Online ISSN | 2226-0358 |
| Received | 25 August 2025 |
| Revised | 12 September 2025 |
| Accepted | 04 November 2025 |
| Issued | 25 November 2025 |
| DOI | 10.18429/JACoW-ICALEPCS2025-TUPD074 |
| Pages | 673-677 |
| Copyright | Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI. |