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Topic: Signal strength

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Decibel

Microvolt

Full Scale

Ultra high frequency

S band

L band

Glossary of Telecommunication Terms

C band

V band

Bel

Decibel

	Satellite Signal Strength Meter, Digital Satellite Meter
		Locking on to a satellite signal is effortless when you use a satellite signal meter.
		Finding the correct satellite and getting good signal strength is very important when you're using a dish mount RV satellite.
		The strength of the signal is displayed as a bar graph, and there is also a number associated with the strength of the satellite signal.
	www.talcoelectronics.com /c-16-satellite-meters-alignment-tools.aspx (284 words)

	PassMark WirelessMon - Wireless 802.11 WiFi monitoring software
		Check signal levels from your local WiFi network and nearby networks.
		No GPS: GPS coordinates are not supported and cannot be used for logging or creating a signal strength map
		No signal strength map: The map tab and options are disabled so a signal strength map can not be created, saved or printed.
	www.passmark.com /products/wirelessmonitor.htm (508 words)

	MICR Toner - Premium Cartridges for HP, IBM, Lexmark , & Troy Printers
		The signal strength of our MICR toner formula is 100 to 114.
		Any MICR toner with a signal strength of less than 100 is rejected by our Quality Control team.
		A MICR cartridge will produce an Iron Oxide Signal strength which varies from a low to a high as the printer uses the toner.
	www.ganson-store.com /micrtoner.html (758 words)

	SaveAndReplay's Satellite Calculator View to get correct elevation and Angles from your geographical location
		signal strength, the lower meter is the signal quality.
		example--obstructs the signal that the cables are connected properly to the
		that you have the strongest signal, tighten the elevation bolts.
	www.saveandreplay.com /satcalcview.htm (3120 words)

	.: iDish - Installation :.
		Be sure to use a grounding block as shown.
		Note, if peaking signal strength using the receiver’s signal strength meter, output port A or output port B can be used.
		If peaking signal strength using a powered meter, output A provides signal off 119, and output B provides signal off 110.
	www.idishnetwork.com /products_installation.php (549 words)

	Signal Strength - O'Reilly Emerging Telephony
		One of the key insights I picked up from the inaugural ETel conference was the increasing importance of signaling in modern communication…and not simply the technical protocols, but the subtle, ambiguous social signalling that takes place in all human communication.
		Yesterday’s Register alluded to this topic in an article entitled From information overload to communication overload (Who needs nine ways to be put on hold?).
		Companies such as GrandCentral and Equals are looking to address some of this complexity - but is seems to me they’re still approaching this through telephony metaphors.
	www.oreillynet.com /etel/blog/2007/05/signal_strength.html (490 words)

	Spectrum-analyzer Measurements
		Obviously, signals that are weaker than the background noise could not be measured by a spectrum analyzer.
		The received signal strength is normally measured in decibels (dbm).
		If you feed signals beyond the maximum specified range, it is possible that the input mixer is saturated and the reading shown on the spectrum analyzer may not represent the actual power levels accurately.
	www.tutorialsweb.com /rf-measurements/spectrum-analyzer.htm (1256 words)

	Understanding WLAN signal strength
		When signal strength declines, 802.11 devices automatically shift to a lower data rate to sustain communication -- for example, dropping from 11 to 5.5 to 2 to 1 Mbps.
		There are many shareware and commercial tools available to help you measure WLAN signal strength and related metrics.
		Signal meters are handy for qualitative spot-checking -- for example, to verify suspected blind spots -- but you'll need something more to take discrete quantitative measurements.
	searchmobilecomputing.techtarget.com /tip/0,289483,sid40_gci1057803,00.html (1540 words)

	ADP Versatility
		Range to the surface is estimated from the location of the spike in signal strength data associated with the reflection of the acoustic pulse from the surface.
		From the SNR profiles in Figure 10 and Figure 11, we see increased signal strength in two cells below the surface peak; this is caused by the direct reflection of the acoustic pulse from the surface, and we expect the velocity data from each of these cells are contaminated.
		ADP signal strength is a measure of the strength of the acoustic reflection from the water.
	www.sontek.com /apps/profiler/adp-sf/adp-sf.htm (3301 words)

	Barchart.com - Support Section - Signals
		Signal strength and signal direction are independent of the signals rating.
		The Top 1% by Strength and Direction lists those stocks who are rated to be in the top 1% category by their signal strength and signal direction.
		Signal strength can be used as an indicator of the long-term view of a market, whereas signal direction can be used a short-term (3-day) view of the current price activity.
	www2.barchart.com /support/signals.asp (969 words)

	Diagnostics - Satellite Receiver Test
		The signal strength is monitored by the built-in diagnostic program and can be viewed from either the antenna pointing program or the DIRECWAY Navigator status dialog.
		Without adequate satellite signal strength, you are unable to utilize the satellite receiver adapter for high-speed data transfer.
		If you had an adequate signal strength in the past, verify that the satellite dish is mounted securely such that high winds or other weather conditions would not cause the satellite dish to move.
	customercare.myhughesnet.com /3000-4000help/diagnostics_signalsymptoms.htm (351 words)

	Cell Cellular Signal Strength IE buiding penetration distance
		The strength maybe ok but there can be 2 paths to your receiver - one is direct and one is reflected off something (be it off a hill/mountain or building or even the ground - if your higher up).
		So, the more bars you have, the stronger the signal you get from the tower is. You can rely on this to evaluate the signal penetration in a given building.
		The signal strength on CDMA cell phones indicates the signal to noise ratio (SNR), in other words, the signal quality.
	www.arcelect.com /Cell_Cellular_Signal_Strength.htm (626 words)

	PTT: Strong Signal Tactics
		Strong signals are a problem because receivers are only able to recognize changes over a limited signal strength range.
		A signal leaking from within a transmitter tends to be very weak, so you probably won't be able to receive it until you are within a few meters of the transmitter.
		A standard field strength meter also works very well, but you'll have to be that much closer to the transmitter before you'll begin picking up the signal on the meter.
	www.qsl.net /nz0i/equipment/strongsig.htm (1824 words)

	CHAPTERTHREE:MOUNTING FOR OPTIMUM SIGNAL STRENGTH
		When this is not possible and you need to sacrifice a little strength, connect the test antenna output to a battery operated, portable TV set and check the picture and sound to ensure that the signal levels are adequate for acceptable reception.
		A field-strength meter indicates signal strength in microvolts (uV) and decibels relative to one milli-volt (dBmV).
		Just as the received signal strength varies with the mounting site and the direction in which the antenna is pointed (oriented), the height at which the antenna is installed will also affect signal strength.
	members.aol.com /starkelect/cmig5.htm (1033 words)

	The Ultimate Guide to 11 Meter CB Antennas
		This results in a signal that is weaker than if the owner would have oriented their antenna the same (polarization) as their neighbor's antenna.
		I mentioned the two other conditions that cause signal fade to let you know, it (fade) can't easily be eliminated, so don't think you did something wrong when you still hear signal fade on "skip" signals with your new circular polarized antenna.
		Although your signal will be 3db lower, the effect of using CP to combat signal fade will sometimes be a greater advantage than that losted 3db.
	www.signalengineering.com /ultimate/circular_polarization.html (1795 words)

	The ZC185 is a Counter Surveillance, Bug Detector, Field Strength Meter
		Input signal strengths in the LOG mode, MID mode, and LINEAR mode are adjustable by using a sensitivity controller.
		Digital signals are distinguished from analog signals when measurements in the digital mode are noted to be stronger than in the analog mode.
		When the signal is digital (i.e., it is pulsed on and off at a rapid rate), it gives a relatively low reading in the Analog mode, but measures accurately higher in the Digital mode.
	www.zapchecker.com /zc185.html (1179 words)

	Call for Help: WiFi signal strength tool? - Lifehacker
		For example, yesterday I wanted to survey my surroundings and connect to the wireless network with the strongest signal (there are some major wifi problems here at the Future of Web Apps), and after a heavy round of Googlin', I found two programs, neither of which worked.
		In active mode, signal strength is just one column of many you can sort your scan results by.
		It lists the networks, whether they are secure or not and their strength.
	www.lifehacker.com /software/wifi/call-for-help-wifi-signal-strength-tool-200533.php (928 words)

	Define RSSI - Receive Signal Strength Indicator
		The basic circuit is designed to pick RF signals and generate an output equivalent to the signal strength.
		The ability of the receiver to pick the weakest of signals is referred to as receiver sensitivity.
		If the signal strength is good the output voltage is higher and the output voltage is poor if the signal strength is low.
	www.birds-eye.net /definition/r/rssi-receive_signal_strength_indicator.shtml (607 words)

	Test cable TV input signal strength?
		This happens in a 'T' or a tap because 1/2 of the signal is reflected and only 1/2 the signal goes on in any direction.
		A splitter should not reflect signal because that also causes degradation of signal quality, ghosts.
		No law of thermodynamics is violated by splitting with low signal loss.
	www.electronicshelp.net /ftopic7621.html (648 words)

	X10 PRO Signal Strength Indicator for use with Signal Test Transmitter - XPTR - SmartHomeUSA.com
		Sometimes low signal strength is directly related to Phase Shift of the two 120V lines that are present in all single-phase systems supplying 240V for appliances.
		The X10 signal has to travel through one side of the breaker panel, out of the meter and back to the pole transformer on the street, then back around the windings of the transformer to your meter and to the other side of your breaker panel just to reach the rest of your structure.
		To allow the X10 signal to travel freely to both phases an XPCP Passive Phase Coupler should be installed in the breaker panel across a 240V breaker and to the neutral bar allowing the two phases to become one communications bus.
	www.smarthomeusa.com /ShopByManufacturer/X-10-Pro/Item/XPTR (950 words)

	Field Strength Meter MkII (Site not responding. Last check: )
		Most Field Strength Meters are designed for connection to transmitters with an output of 1 to 1000 watts and are not capable of detecting outputs in the milliwatt range.
		All the signals from radio stations, taxis, bugs, TV stations, cellular phones etc are picked up by the antenna and passed to the tuned circuit where they try to set it into operation.
		The RF stage is able to amplify signals in the 100MHz range as we have used a high frequency transistor and the output appears at the collector.
	www.talkingelectronics.com /Projects/FieldStrengthMeterMkll/FieldStrengthII.html (3309 words)

	Boost Your Wireless Wifi Signal and Eliminate Dead Spots \| Do-It-Yourself Wireless Antennas Update
		As it continues to travel away from its source, the signal strength begins to grow weaker.
		Gain, or how well the antenna focuses a signal of an antenna, is primarily proportional to size - more gain requires a bigger antenna.
		A DIY field strength meter for 2.4Ghz wireless LAN uses a voltmeter, a diode from a solid state microwave leakage detector and a 2-element quad antenna oriented in a diamond configuration so it should be effective for both horizontal and vertically polarized signals.
	www.binarywolf.com /249/signal_strength.htm (1540 words)

	RC Forums: DirecTV signal strength question Sacramento
		The only effect low signal strength has is reliability...in bad weather, etc. As picture quality goes, either you have a perfect picture, or none at all.
		Signal strength, as I now understand it, is how well the dish is pointing toward the satellite and it does have an effect on the clarity, color, and sharpness of the picture.
		Signal strength is a misnomer on satellite receivers.
	www.remotecentral.com /cgi-bin/mboard/rc-sat/thread.cgi?3241 (2471 words)

	Uplink Signal Strength Matters
		Thus the effective range between the AP and the client device is governed by the uplink signal strength.
		Nothing is wrong with the downlink communications, but weaker uplink signals limit the effective range and likely disrupt communications when client devices move into areas where uplink signal strength is not good enough to support communications.
		Since the downlink signals are weaker, range boundary measurements based solely on the downlink signals will indicate sufficient coverage for the client devices.
	www.wi-fiplanet.com /tutorials/article.php/3636166 (1467 words)

	RF Solutions Ltd RF Signal Strength Meter
		A miniature RF Signal Strength Meter which can be used to show the presence of a Radio Signal.
		The peak signal is held for 1 second.
		This can be invaluable when installing a Radio system to determine if other RF signals are present (interference) and also validate the signal strength of the radio transmitter to be installed.
	www.rfsolutions.co.uk /acatalog/RF_Signal_Strength_Meter.html (96 words)

	RC-CAM Electronic Projects: XCam-FSM Signal Strength Indicator
		Since it must vary with signal strength (that's its job), we can merely measure it to obtain the relative signal strength.
		The 1.0V level indicates a strong signal and it will increase to as high as 4.8V with very weak (or missing) RF signals.
		If you are like me, you have realized that a video Rx signal strength meter would be very handy at the flying field or on the workbench.
	www.rc-cam.com /xcamfsm.htm (3002 words)

	MD
		Then it has to take that signal and extract the maximum musical content, which is where the hi-fi bit really comes in.
		As is still all too often the case, the signal strength meter saturates much too early too early to be of much practical help, while in contrast the centre-tune would have been more useful with rather greater sensitivity.
		Weak signals bring in a degree of mono blend and high frequency rolloff, which can become somewhat distracting when the signal is pulsing-the way it does when an aircraft passes across a long distance transmission path, for example.
	www.magnumdynalab.com /review-md100b.htm (1541 words)

	Troubleshooting Austin Blackberry Service (Site not responding. Last check: )
		If you only have one or two bars of signal, you may want to move to a location where the signal is stronger.
		A signal strength of less than -100 dBm (for example, -121 dBm) indicates a weak signal.
		If the signal is weak, move to a location where your wireless service provider’s signal is stronger.
	www.utexas.edu /its/blackberry/signalstrength.html (138 words)

	PLC Signal Testing Instruments - HomeTech Solutions
		In order to troubleshoot PLC problems, you must have some idea of the relative signal strengths at various points, and whether electrical noise is interfering with the signal.
		Use the 6385 with the 6386 to measure signal strength and check for electrical interference.
		It shows the received signal strength in increments from 25 millivolts to 2 volts.
	www.hometech.com /tools/signal.html (363 words)

	WiNRADiO Field Strength Logger
		The Field Strength Logger option adds a calibrated signal strength and field strength meter and logger to any WiNRADiO 3000 Series receiver.
		It is useful wherever it is necessary to measure absolute signal or field strength levels, and store them in a file in user-definable time intervals.
		For use in geographical signal coverage surveys, the Field Strength Logger employs a GPS receiver to display and store geographical co-ordinates of the measured signal.
	www.winradio.com /home/fslogger.htm (302 words)

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