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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
Absolute Time X            
Accutrac           X  
Allen Osborne X            
Amano         X    
American Time and Signal X       X X  
American Timeworks           X  
Arbiter Systems X            
Arcron-Zeit           X  
Atomic Time           X  
Atomix           X  
Beaglesoft   X       X X
Brandywine Communications X X     X    
BRG Precision X         X  
Bulova           X  
Casio           X  
Chrono-Log X   X        
CMC Electronics   X          
CNS Systems X            
Control Company         X  
Datachron, Inc. X            
DICOM X            
Digital Display Systems, Inc. X            
Emerson Radio           X  
EndRun Technologies X           X
ESE X   X        
Eventide X            
Fastrax   X          
Fluke X            
Franklin Instrument X         X  
Galleon X         X  
Garmin   X          
H. H. Scott           X  
Hamtronics     X        
Hobbytron     X        
hopf Elektronik GmbH X X          
Horita X            
Howard Miller           X  
Innotime Industrial, Ltd.           X  
Instrumentation Technology Systems X          
Junghans           X  
Kamiya Design           X  
Klockit           X  
La Crosse Technology           X  
Larus X            
Locus       X      
Macrodyne X          
Masterclock X            
Meinberg X X          
Motorola   X          
Navicom X X          
Navman 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         X  
Raven Industries   X          
RE-Resources           X  
Rockwell   X          
RoyalTek   X          
RTM International   X          
S. LaRose, Inc.           X  
San Jose Navigation X            
Septentrio   X          
Simplex Grinnell X   X        
SkyScan           X  
Spectracom X X     X    
Stanford Research       X      
Symmetricom X X          
TF Systems X            
Thales   X          
3S Navigation X            
Time Tools X            
Timex           X  
Timing Solutions X     X      
TRAK Systems X            
Trimble X X          
U.S. Traffic     X        
Ultralink         X X  
Zyfer X X          

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