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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

NOTE: We have provided links to these sites because they have information that may be of interest to our users. NIST does not necessarily endorse the views expressed or the facts presented on these sites. Further, NIST does not endorse any commercial products that may be advertised or available on these sites.

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

GPSDO GPS Disciplined Oscillators
GPSC GPS Clocks and Time Sources
GPSB GPS OEM Modules and Board Level Products
HF HF Timing Receivers (WWV and WWVH)
VBDO WWVB Disciplined Oscillators
VBC WWVB Clocks (wall clocks, wristwatches, etc.)
CDMA CDMA Disciplined Oscillators
Company GPSDO GPSC GPSB HF VBDO VBC CDMA
Accubeat X X          
Amano   X       X  
American Time and Signal   X       X  
Arbiter Systems X            
Atomic Time           X  
Beaglesoft   X       X X
Brandywine Communications X   X   X    
BRG Precision   X       X  
C-MAX           X  
Casio           X  
Chaney Instruments           X  
Chrono-Log   X   X
   
CNS Systems   X          
Control Company
        X  
CxR Larus X X         X
DICOM X            
Digital Display Systems, Inc.   X         X
EndRun Technologies X           X
ESE   X   X     X
Fluke X            
Franklin Instrument   X       X  
Furuno Electric Co.     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      
 
Jackson Labs X   X        
James Miller X            
Javad Navigation Systems   X X    
 
Junghans           X  
Klockit           X  
La Crosse Technology           X  
Lathem Time   X       X
  
Leica Geosystems
     X        
Macrodyne   X          
Magellan     X        
Masterclock   X          
Meinberg X X X   X X  
Meret Optical Communications X            
Microsystemes X            
MTI-Milliren Technologies, Inc.     X        
Navsync     X        
Novatech Instruments, Inc. X            
Novatel   X X        
Oregon Scientific           X  
Oscilloquartz X X X        
Pendulum Instruments AB X X          
Precision Test Systems LTD X            
Precitel   X X     X  
Primex USA        
X  
Primex Wireless   X          
Precise Time and Frequency, Inc. X X X        
Quartzlock X            
Radio Shack
        X  
San Jose Navigation   X          
Sangean America, Inc
        X  
Sapling
X          
Schweitzer Engineering Laboratories, Inc.   X      
 
Septentrio     X        
Silicon Forest Solutions X            
SkyScan           X  
Spectracom X X          
Spectrum Instruments, Inc. X          
Symmetricom X X X      
Time & Frequency Solutions X            
Time Tools   X          
Topcon     X        
TRAK Systems X X          
Trimble X X X        
Valpey Fisher Corporation X X          
Vectron International X   X        
World Time Solutions
   X          
Zyfer X X X