From eaccb5f378e8dcf64b92523aa8da5c5ffeff0106 Mon Sep 17 00:00:00 2001 From: PaulZC Date: Mon, 7 Feb 2022 11:39:20 +0000 Subject: [PATCH] Update README - include PointPerfect and NEO-D9S --- README.md | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 6b233a4..0b6e577 100644 --- a/README.md +++ b/README.md @@ -21,9 +21,13 @@ u-blox makes some incredible GNSS receivers covering everything from low-cost, h This library can be installed via the Arduino Library manager. Search for **SparkFun u-blox GNSS**. -## Automatic support for correction services like RTK2go, Emlid Caster and Skylark (Swift Navigation) +## Automatic support for correction services like PointPerfect (u-blox), RTK2go, Emlid Caster and Skylark (Swift Navigation) -RTK NTRIP corrections services often require you to send them your location in NMEA GPGGA format. v2.2 of the library makes this easy by providing get functions and automatic callbacks +u-blox's PointPerfect GNSS augmentation service uses the secure MQTT protocol to download SPARTN format correction data, providing "3-6 cm accuracy and convergence within seconds". Please see the new [PointPerfect Client example](https://github.com/sparkfun/SparkFun_u-blox_GNSS_Arduino_Library/tree/main/examples/ZED-F9P/Example18_PointPerfectClient) for more details. + +v2.3 also supports L-band correction services using the new u-blox NEO-D9S correction data receiver. Please see the new [L-band Corrections example](https://github.com/sparkfun/SparkFun_u-blox_GNSS_Arduino_Library/tree/main/examples/ZED-F9P/Example19_LBand_Corrections_with_NEO-D9S) for more details. + +Other RTK NTRIP corrections services often require you to send them your location in NMEA GPGGA format. v2.2 of the library makes this easy by providing get functions and automatic callbacks for both GPGGA and GNGGA messages. You can now instruct your module to output GPGGA (e.g.) every 10 seconds and then push it to the correction server directly from the callback. No more polling, no more parsing! v2.2 also includes two new functions useful for correction services: