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Manufacturers of Time and Frequency Receivers

The following list of links to manufacturers of time and frequency receivers may be incomplete, and inclusion on the list does not imply endorsement by NIST. The manufacturers are listed alphabetically. Send corrections or additions to: timeinfo@boulder.nist.gov

The time and frequency receiver products from each manufacturer have been categorized as follows:

GPS GPS Time and Frequency Standards
GPSB GPS OEM Modules and Board Level Products
HF HF Timing Receivers (WWV and WWVH)
LOR LORAN-C Time and Frequency Standards
VB WWVB Time and Frequency Standards
VBC WWVB Consumer Electronic Products (clocks, watches, etc.)
CDMA CDMA Time and Frequency Standards

Company GPS GPSB HF LOR VB VBC CDMA
Amano         X    
American Time and Signal X       X X  
Arbiter Systems X            
Atomic Time           X  
Beaglesoft   X       X X
Brandywine Communications X X     X    
BRG Precision X         X  
C-MAX       X X  
Casio           X  
Chaney Instruments           X  
Chrono-Log X   X      
CNS Systems X            
Control Company         X  
CrossRate Technology X     X    
CxR Larus X           X
DICOM X            
Digital Display Systems, Inc. X           X
EndRun Technologies X           X
ESE X   X       X
Fluke X            
Franklin Instrument X         X  
Galleon X         X  
Garmin X X          
Gorgy Timing X          
hopf Elektronik GmbH X X          
Horita X            
Howard Miller           X  
Innotime Industrial, Ltd.           X  
Instrumentation Technology Systems X          
Javad Navigation Systems X X        
Junghans           X  
Klockit           X  
La Crosse Technology           X  
Lathem Time X       X  
Macrodyne X          
Magellan X          
Masterclock X X          
Meinberg X X     X    
Navsys X            
Novatel X X          
Oregon Scientific           X  
Oscilloquartz X X          
Pendulum Instruments AB X            
Precision Test Systems LTD X            
Precitel X       X X  
Primex USA         X  
Primex Wireless X       X    
Precise Time and Frequency, Inc. X            
Radio Shack         X  
Raven Industries   X          
RE-Resources           X  
San Jose Navigation X            
Sangean America, Inc         X  
Schweitzer Engineering Laboratories, Inc. X          
Septentrio   X          
SkyScan           X  
Spectracom X X     X    
Stanford Research       X      
Symmetricom X X   X X  
Time Tools X            
Topcon X X          
TRAK Systems X            
Trimble X X          
Zyfer X X          

Last update: January 2010