New Builds • July 10, 2009
Chronos Technology, of Lydbrook, Gloucstershire, United Kingdom, has introduced its CTL3500 Interference Monitor, a low-cost, handheld, battery-operated device designed to detect the presence of too much GPS power or non-GPS signals and interference broadcasting on the L1 channel.
New Builds • July 9, 2009
GPS Networking, of Pueblo, Colorado, has launched the VGLCDLA30RPDC, a variable gain GPS in-line amplifier with LCD display and push button control.
Featuring a range of 0–30 dB, the VGLCDLA30RPDC’s push button control can increase or decrease gain in increments of 1 dB, enabling operators to make precise adjustments quickly and view the output power at any given time for more efficient testing.
The unit operates on 110VAC or 220 VAC transformer (wall mount) and 240 VAC (United Kingdom). Connector options include types N, SMA, TNC, and BNC.
July 9, 2009
The 746th Test Squadron (746 TS) will offer authorized GPS users another in its series of JAMFEST training scenarios November 2–6 at at White Sands Missile Range, New Mexico.
Introduced in May 2004, JAMFEST provides a realistic GPS jamming environment for testing GPS-based navigation systems. Since its inception, JAMFEST has hosted a diverse customer base, including multi-service Department of Defense (DoD) groups, defense contractors, and civil organizations with objectives ranging from training personnel in GPS-denied or –degraded conditions to characterizing the performance of prototype advanced anti-jam technologies against operationally realistic threats.
New Builds • July 7, 2009
Pendulum Instruments, Stockholm, Sweden, has introduced four new options for the company’s GPS-12 Portable Frequency Standard family.
First released in 2006, the GPS-12R, a portable GPS controlled rubidium Frequency Standard with battery backup power, supplies a variety of standard frequencies for general metrology (1, 5, and 10 MHz), base station test (13 MHz) and telecom (E1/T1 clock/data).
July 8, 2009
The Radio Technical Commission for Maritime Services (RTCM) has completed a revision (Version 2.0) of its standard for Networked Transport of RTCM via Internet Protocol (Ntrip).
Designated as RTCM Standard 10410.1, Among other things, the new standard defined by RTCM’s Special Committee 104 (SC104) provides a protocol for streaming differential correction data or other kinds of Global Navigation Satellite System (GNSS) data to stationary or mobile users over the Internet.
New Builds • July 8, 2009
Micro Modular Technologies (MMT), of Irvine, California, has introduced its MN5515HS GPS receiver module, a low-power, 20-channel GPS receiver module based on the SiRFstarIII GPS receiver chipset.
The MN5515HS has a reported cold-start acquisition sensitivity of –145dBm and tracking sensitivity of –159dBm.
August 10, 2009
A tradition of testing of navigation systems and missile components began for the 746th Test Squadron (746 TS) in 1959 and continued as it reached its golden anniversary in May 2009.
July 7, 2009
The GPS Wing has announced that the Raytheon Modernized User Equipment (MUE) team has achieved live satellite M-code tracking with an MUE receiver.
The team has developed modernized versions of the Avionics GPS Receiver Application Module and Ground Based GPS Receiver Applications Module (GB-GRAM) receivers under MUE receiver development contracts awarded to three companies in June of 2006. M-code signals from Block IIR GPS satellites were acquired using a Raytheon GB-GRAM-M.
Inside GNSS • July/August 2009
The downloadable PDF (above) contains bonus material not available in the print edition. Appendices and other information on this subject is available at the bottom of the page.
June 29, 2009
CSR plc and SiRF Technology Holdings Inc., have completed the merger between SiRF and a wholly owned subsidiary of CSR.