Description of GNSS programs

Literatur.bib

@@ -126,4 +126,38 @@
   version  = {4.6.2},
 }
 
+@Software{canada,
+  author  = {{Goverment of Canada}},
+  date    = {2023-01-09},
+  title   = {Precise Point Positioning},
+  url     = {https://webapp.csrs-scrs.nrcan-rncan.gc.ca/geod/tools-outils/ppp.php?locale=en},
+  urldate = {2024-06-14},
+}
+
+@Software{rtklib,
+  author  = {Tomoji Takasu},
+  date    = {2018-01-29},
+  title   = {RTKLIB: An Open Source Program Package for GNSS Positioning},
+  url     = {https://rtklib.com/},
+  urldate = {2024-06-14},
+}
+
+@Software{u-center,
+  author   = {{u-bloxAG GNSS Software Research and Devlopment Team}},
+  date     = {2024-04-24},
+  title    = {u-center},
+  subtitle = {Software designed for u-blox M8, M9, F9, and legacy GNSS products, and for other compatible systems.},
+  url      = {https://www.u-blox.com/en/product/u-center},
+  urldate  = {2024-06-14},
+  version  = {24.04},
+}
+
+@Software{rtk2go,
+  author  = {{Simple NTRIP Caster - SNIP}},
+  title   = {RTK2Go},
+  url     = {http://rtk2go.com/},
+  urldate = {2024-06-14},
+  version = {3.14.00},
+}
+
 @Comment{jabref-meta: databaseType:biblatex;}