GNSS module with 1PPS output signal
The SparkFun GNSS L1/L5 Breakout board (SKU: GPS-24114) is a compact, low-cost (USD$41.50 Nov 2025) board built around the u-blox NEO-F10N dual-band GNSS module. This module has a 1 PPS timing signal suitable for use with the ultramsk VLF receiver…