GPS navigation processing using the quaternion-based divided difference filter Dah-Jing JwoMei-Ying HsiehShih-Yao Lai Original Article 28 July 2009 Pages: 217 - 228
The impact of errors in predicted GPS orbits on zenith troposphere delay estimation Jan DouĊĦa Original Article 29 August 2009 Pages: 229 - 239
A test-bed implementation of an acquisition system for indoor positioning Fabio DovisRiccardo LescaGiorgio Ghinamo Original Article 03 September 2009 Pages: 241 - 253
Design and implementation of an adaptive code discriminator in a DSP/FPGA-based Galileo receiver Jyh-Ching JuangYu-Hsuan ChenYung-Fu Tsai Original Article 16 September 2009 Pages: 255 - 266
Higher-order ionospheric effects in GPS time and frequency transfer S. PireauxP. DefraigneC. Bruyninx Original Article 16 December 2009 Pages: 267 - 277
Comparison of 4D tomographic mapping versus thin-shell approximation for ionospheric delay corrections for single-frequency GPS receivers over North America Damien J. AllainCathryn N. Mitchell Original Article 02 December 2009 Pages: 279 - 291
GNSS data management and processing with the GPSTk Dagoberto SalazarManuel Hernandez-PajaresJaume Sanz GPS Tool Box 12 November 2009 Pages: 293 - 299
Erratum to: Carrier phase wind-up in GPS reflectometry Georg Beyerle Erratum 11 December 2009 Pages: 301 - 301