Register  
Forgot Password?
Forgot User Name?
 

Search Results

Search Results for "UHF VHF"

  Search Again
Organization / Society
AIME (2)
AUSIMM (4)
NIOSH (44)
RMCMI (1)
SAIMM (2)
SME (16)



Showing: 1 to 10 of 69 matches for "UHF VHF"  Page   1   2   3   4   5   6   7
TITLE Field Site Data Processing: A High-Frequency Radio Communication Link Between Field Camp and Computer 
SUMMARY ... Both the UHF and VHF bands have been used successfully for the transmission of digital
data, but, in general, the com- munications links are line-of-sight ...
AUTHOR Botbol, Joseph Moses
PUBLISHED 1976
TITLE Field Site Data Processing A High-Frequency Radio Communication Link Between Field Camp And Computer 
SUMMARY ... frequency (UHF) occupy the regions 30 !.Hz to 400 MHz and 400 h4Hz to
1,000 )kHz, respectively. Both the UHF and VHF bands have ...
AUTHOR Botbol, Joseph Moses
PUBLISHED 1975
TITLE Vibrant exhibit floor reflects recovering industry 
SUMMARY ... Wireless readers can be accessed by hardwire, Ethernet or leaky feeder (TR UltraComm
UHF/ VHF leaky feeder systems are also providedbyTunnelRadio ...
PUBLISHED 2010
TITLE Underground Mine Communications (In Four Parts) 3. Haulage Systems 
SUMMARY Page 1. Information Circular 8744 {Tnderground Mine Communications (In Four
Parts) 3. Haulage Systems Compiled by Staff-Minin Research ...
PUBLISHED 1977
TITLE Inspection Of Tunnels Using FM Radar Technology 
SUMMARY ... In investigating tunnel defect conditions, a specialized F,\I mdar system was developed
with a progmmmable VHF and UHF opemting sweep mnge for optimizing the ...
AUTHOR Tranbarger, O.
PUBLISHED 1985
TITLE Radar Exploration Through Rock In Advance Of Mining 
SUMMARY ... Figure 2. Generalized block diagram of 1971 50-150 MHz i i I UHF-VHF - I 12V SAMPLING
I STORAGE UNIT --.e- BATTERY 1 I --<l- - ---1-.., TIC I .. ___ .. ...
AUTHOR Cook, John C.
PUBLISHED 1972
TITLE Coal Mine Communications 
SUMMARY ... However, it is unlikely that an unaided (ie no leaky feeder) VHF or UHF signal
would be able to travel around more than about two crosscuts. ...
AUTHOR Schiffbauer, William H ; Brune, Jürgen F.
TITLE Solutions To The Communication Requirements - 3.1 Introduction 
SUMMARY Page 1. CHAPTER 3.--SOLUTIONS TO THE COMMUNICATION REQUIREMENTS 3.1
Introduction Three types of communication systems have become ...
PUBLISHED 1984
TITLE Continuous Monitoring Techniques for Environmental Control of Waste Water Discharge at Northern Territory Mine Sites 
SUMMARY ... the stored data to a portable computer or by remotely accessing the system using
a telemetry system and transmission via telephone, VHF/UHF radio or satellite. ...
AUTHOR Woods P H ; Mine F J
PUBLISHED 1994
TITLE Underground Mine Communications (In Four Parts) 4. Section-To-Place Communications 
SUMMARY ... 0 • • • • • 1 UHF section-to-place radio, by Rober t A . Br adb urn ... Pennissible
ultrahigh-frequpncy (UHF) secLion radio equipment ...
PUBLISHED 1977
Showing: 1 to 10 of 69 matches for "UHF VHF"  Page   1   2   3   4   5   6   7

Search Again