The SVN49 Pseudorange Error

摘要

The seventh modernized GPS Block IIR satellite was launched on March 24, 2009. Called SVN49) its sequence number in the long line of GPS satellites, or PRN01, after its pseudorandom noise code identifier, this satellite is special. In addition to the equipment required to transmit the legacy GPS C/A-code and P(Y)-code signals and the new civil L2C-code and military M-code signals on the standard L1 (1575.42 MHz) and L2rn(1227.6 MHz) frequencies, SVN49 carries an L5 demonstration payload. L5 is the new civil signal to be transmitted on 1176.45 MHz by Block IIF and succeeding generations of GPS satellites.