From 8ceb9ad0594f851d3be93391d375025c0eac88ba Mon Sep 17 00:00:00 2001
From: Jeff Moe <moe@spacecruft.org>
Date: Tue, 14 Jun 2022 14:23:10 -0600
Subject: [PATCH] UBX notes

---
 README.md | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index a9d8d3e..640033d 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,38 @@ GNSS:
 There are two main GNSS chipsets that the `galmon` software support.
 UBX and Septentrio.
 The former is more widely used and easier to set up.
-This doc covers just the latter for now.
+
+## U-Blox
+Using these devices are as easy as installing `galmon` software and
+running the startup script. No device configuration is needed.
+There are a variety of UBX devices, the ones below use the
+U-blox ZED-F9 chipset.
+
+U-Blox website:
+* https://www.u-blox.com
+
+Ardusimple website:
+* https://www.ardusimple.com
+
+* https://www.ardusimple.com/simplertk2b-receivers/
+
+simpleRTK2B USB. Available at Mouser.
+
+* https://www.ardusimple.com/product/simplertk2b/
+
+simpleRTK2B-mPCIe. Available at Mouser.
+
+* https://www.ardusimple.com/product/simplertk2b-mpcie-zed-f9p/
+
+
+Start devices with options, ala:
+
+```
+cat /etc/default/ubxtool-ttyACM0
+
+DAEMON_OPTS="--owner 'Jeff Moe SpaceCruft' --remark 'Colorado, USA | Traverse Ten64 | simpleRTK2B-mPCIe' --gps --galileo --beidou --glonass --station XXX --destination XXX.submit.galmon.eu"
+```
+
 
 ## Septentrio
 The Septentrio device is available as apparently very high quality
@@ -38,6 +69,11 @@ Septentrio website:
 
 Ardusimple simpleRTK3B with Septentrio mosaic-X5.
 
+
+Note: in Ardusimple's lineup, the devices with "2" in them, such as
+simpleRTK2B are UBX, while 
+devices with "3", such as simpleRTK3B are Septentrio.
+
 * https://www.ardusimple.com/product/simplertk3b-x5/
 
 Manufacturer's part number: