PRU-based hardware PPS timestamping for BeagleBone Black
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Updated
Oct 24, 2026 - C
PRU-based hardware PPS timestamping for BeagleBone Black
Global Time Echoes: Distance-Structured Correlations in GNSS Clocks — Multi-center analysis of 62.7M station-pair measurements across CODE, IGS, and ESA (364 stations, 2023–2025) revealing distance-structured clock correlations (λ_T = 3,330–4,549 km) and autocorrelation-corrected orbital velocity coupling (r = −0.763, ~3.0σ).
Alternative firmware for a common GPSDO
High-precision desktop automation engine for Windows. Features millisecond-accurate scheduling via hybrid timing strategy, modular SOLID architecture, and portable single-file executable build.
Temporal Equivalence Principle: Phase-Resolved Spatial Clock Priors for GNSS Outage Bridging — Satellite-pair & non-common-view clock coherence (λ_T = 4,076–4,348 km, 25–27σ), timing holdover (25 ns at 1 h), k=3–5 degraded-sky PPP, and 68-station live NTRIP ex-ante prediction (116/120 sealed wins).
Global Time Echoes: 25-Year Analysis of CODE Precise Clock Products — 25.3-year longitudinal analysis of 165.2M station-pair observations (2000–2025) documenting persistent velocity-dependent clock correlations, spherical-horizon EW/NS anisotropy (R=2.13), 18.6-year lunar nutation, and CMB frame alignment.
An advanced AutoHotkey script for ultra-precise keypress timings, featuring dynamic calibration, timing diagnostics, and adaptive overhead adjustments.
An advanced AutoHotkey script for ultra-precise keypress timings, featuring dynamic calibration, timing diagnostics, and adaptive overhead adjustments.
Estimate error in time pulse signal of a u-blox GPS receiver using post-processed PPP
🕰️ Analyze 25 years of GNSS clock data to uncover correlations, ensuring reliable timekeeping across global networks.
Reproducible Python and Rust simulator for precision time-interval logging, calibration, thermal drift, and stability analysis; software model only, no hardware claims.
Hoptroff — independent third-party profile of a public API surface, by API Evangelist. Hoptroff is a London-based precision timing company that delivers Traceable Time as a Service (TTaaS), providing enterprise-grade, traceable UTC time with guaranteed SLA accuracy to any data center or cloud environment.
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