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GPS

July 14, 2009

GPS Networking, Inc., moves to New Facility

GPS Networking, Inc., a provider of GPS/GNSS signal distribution equipment and accessories since 1999, is moving effective July 15.

The company is remaining in Pueblo, Colorado, and moving into a larger facility at 3915A Outlook Blvd, Pueblo CO 81008.

GPS Networking’s phone number (1-800-463-3063/1-719-595-9880), fax number (719-595-9890) and website address <www.gpsnetworking.com> will also remain the same.

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By Inside GNSS
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July 10, 2009

Chronos Launches GPS Interference Monitor

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.

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By Inside GNSS

GPS Networking Offers Variable Gain Amplifier with Push Button Control

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.

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By Inside GNSS
July 9, 2009

746th Test Squadron Spins Up Jamfest ‘09

Stallion Range Center, White Sands Missile Range, New Mexico, site of JAMFEST exercises

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.

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By Inside GNSS
July 8, 2009

Pendulum’s Adds Options for GPS-12 Portable Frequency Standard Family

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).

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By Inside GNSS
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New RTCM Standard Supports Internet Streaming of GNSS Corrections to Mobile Users

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.

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By Inside GNSS

MMT Launches 20-Channel Module

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.

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By Inside GNSS

GPS 746th Test Squadron Turns 50

746th Test Squadron commander Lt. Col. Amy McCain dedicates an exhibit with Director Randall Hayes of the New Mexico Museum of Space History in Alamogordo.

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.

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By Inside GNSS

Raytheon GPS Receiver Team Tracks M-Code Satellite Signal

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.

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By Inside GNSS

GPS Wing Seeks Manufacturer, User Feedback on SVN49 Signal Anomaly, Solution

GPS satellite L-band antenna elements

The GPS Wing is reaching out to receiver manufacturers and the user community to gather comments on the SVN49 signal anomaly and the Air Force’s provisional solution to the problem.

Despite earlier news reports suggesting that the problem, which has kept the latest GPS satellite from being declared operational, was on its way to being solved, a GPS Wing spokesperson characterized the remedy of altering the satellite’s broadcast orbital position (ephemeris) and time as only a “partial fix.” Indeed, high-precision dual-frequency users, such as those in the International GNSS Service, may continue to encounter difficulties in handling the SVN49 signal.

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By Inside GNSS
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