How to test an antenna with a multimeter

Pat from Right Channel Radios demonstrates how to use a multimeter to test the parts in your CB installation. You will learn what parts are made to be ground... How To: Test antenna and transmitter on a fast link radio system. The equipment that is needed is a watt meter, a fixed 10 db attenuator, and a 50 Ohm dummy load. Place the watt meter in line with the transmitter and antenna. When the transmitter is powered up you should read 1.8 to 2 watts forward power and .1 watts reflected power.The log periodic antenna is the ultimate broadband beam. It can provide high gain on a single band or moderate gain on multiple bands. On vhf you can easily design a single feed 2 and 6 meter antenna. On hf the size and element diameters are usually a drawback .Wire versions are usually the answer.See full list on handtoolsforfun.com (1) adjustable pipe clamp that fits around your metal stake 1. Form a three inch coil with seven turns. Secure into a round shape with ties or tape. The attached alligator clip shown below will be connected to no less than 60' of your antenna wire. Generally the longer the antenna wire the better so if you have a 100' antenna wire, that's good. 2.As soon as the needle is in alignment with the corresponding mark on the meter face, flip the switch to the Reference (REF) position. The meter is now showing your SWR on channel one. Note the value and quickly release the microphone switch. Record this reading on your paper to the nearest 1/10th. i.e. 1.8, 2.3, 2.7, 1.4, etc.Unfortunately, I did not have the equipment to test the characteristics of the antenna. All I had on-hand to make quantitative tests was an old uncalibrated ``micronta'' field strength meter. So I set up a ``test area'' in the driveway to measure the radiation pattern with the field-strength meter. Here is a picture showing the test area:MODEL 15PSM114 test instrument is a compact 3-function test meter designed to indicate the condition of any 52 ohm antenna and antenna coax used for Citizens Band radio operation by testing for Standing Wave Ratio, relative RF power, or field strength. Tuning of transmitters can also be accomplished when using this meter as a field strength meter.Then connect your TV to the socket on your antenna signal meter marked as “TV.”. Then turn the antenna signal meter on. Tune in to the lower broadcast channel for your area. Rotate your antenna to 360 degrees. Then check at what position the antenna signal reads the highest. Then jot it down. 10 Meter Radios from the leader, we utilize state of the art circuit design and manufacturing. High Performance 10 meter radio, cb Antennas, cb Microphones & 3YR WNTY. Products. 10 Meter Radios. SR-955HPC; SR-655HPC; SR-497HPC; SR-447HPC2; SR-94HPC; SR-25MC; SR-89MC; CB Antennas. Stryker SR-A10 Trucker Antenna ... thunderhill raceway car rental Testing Antennas with a Network Analyzer. No doubt one of the most revolutionary tools for the RF side of broadcasting was the advent of the network analyzer. Prior to its invention, measuring the response of an antenna system was more or less limited to using a bridge or vector voltmeter, a swept spectrum analyzer with return loss bridge, or ...This antenna is fed by a coax feed line through a gamma match. The gamma match is constructed from 6 1/4" #4 or #6 copper wire. This wire is bent into an L shape. The short end of the wire is soldered on the inside of the loop at the point where the long end of the gamma arm aligns with the halfway point of the loop.287. Texas. Apr 28, 2011. #3. I found out that you can connect a cheap little squealy meter to an lnb and just holding it in your hand, not on a dish at all, point it in the sky in the general direction of a satellite and if it's good, the squealy meter will squeal. Move your hand in front of it a few time and the signal stops when you do.Try typing in " TV antenna installer in *your area* ". For example, typing in " TV antenna installer in Bethlehem, Pennsylvania " will get you everyone's favorite YouTube antenna expert Tyler the Antenna Man.Sep 08, 2017 · A balanced antenna system has two wires. • An antenna doesn’t need a return path. It is like a resistor that dissipates heat or a lamp emitting light. • A whip antenna in itself is not an antenna. The antenna is the whip plus ground. An antenna has two poles, qualifying it as a circuit. An LCR meter is a special measuring instrument that measures inductance (L), capacitance (C), and resistance (R). If you have such a meter, then you can make precise coils by winding your favourite wire and making sure it is the correct value in Henrys. This way, you can tune into the complete band with somewhat accuracy.Buy on Amazon. 5. Winegard RFL-332 SensarPro TV Signal Strength Meter, Black, 4.5 Inch. Buy on Amazon. 6. Perezy DVB-T Finder Digital Aerial Terrestrial TV Antenna Signal Strength Meter White. Buy on Amazon. 7. Toolso Digital Satellite Finder Satellite Signal Finder Satellite Signal Meter TV Antenna Satellite... Rank No. #1. Winegard Elite Pro Outdoor VHF/UHF HDTV Antenna with Bluetooth Signal Meter and Integrated Channel Finder, Up to 70 Mile Range. Winegard's industry leading Bluetooth SLM technology easily allows you to find the invisible FREE 4K UHD television signals floating around your house, with a simple 1. Connect 2.The easiest way to explain the workings is to consider that what we want is the Standing Wave Ratio from the output of the meter to the end of the antenna. Once the meter is removed and the end of the cable plugged into the radio, this is what the radio will see.Let's take a closer look at the article: A How-to Guide For Measuring Your Antenna Reception. Step 01: Disconnect The Coaxial Cable. Step 02: Attach The Connector. Step 03: Turn The Device On. Step 04: Proceed With Measuring. Step 05: Transfer The Cable From Output to Input. Step 06: Calculate The Strength.Getting the best antenna is the first step. The next is installing it right on your truck. SWR readings that are between 2.0 and 3.0 indicate a bad antenna or poor mounting location on your truck. The ideal SWR should be 1.5 or less. Pro Tip: If the SWR is above 3.0, there is a problem with your antenna connection.Nov 05, 2020 · Attach the antenna to the antenna socket on the SWR meter using a coaxial cable. 6. Set the radio to minimum power and to FM or CW mode. 7. Tune to the lowest band available. On a CB radio, tune to Channel 1. 8. Transmit from the radio or, on a CB radio, press the talk button. 9. There is a 40 meter inverted-V at 40 feet on the north side of the tower for the station out in the shop. There are two 75/80 meter half wave, center fed, sloping dipoles. anchored by 1/8 th inch Nylon rope at the 90 foot level with the ends of the antennas about 12 feet out. The slope is roughly 30 to 40 degrees.Broken Antenna: To test for a possible broken antenna (on a directional multiple-antenna beacon), set up the target beacon (in Transmit) and your test beacon (in Search) so that they are in optimal coupling alignment, i.e., pointing directly at each other (although see prior note regarding use of a BCA Tracker DTS/T2 or Ortovox 3+/S1+ as targets).Then connect your TV to the socket on your antenna signal meter marked as “TV.”. Then turn the antenna signal meter on. Tune in to the lower broadcast channel for your area. Rotate your antenna to 360 degrees. Then check at what position the antenna signal reads the highest. Then jot it down. Calibrate and place your meter leads across F and FA. Looking for less than one ohm. You'll also want to set your meter to R times 10K and calibrate. Checking each terminal of the magnetron to the magnetron itself. Looking for no reading. If you should get a reading, the magnetron has shorted. If you get no reading, the magnetron is open.how to test a cb antenna with a multimeter cms config1 5/10/10 9:52 AM Learn how to use a multimeter to check for proper ground with help from this quick video. Also shown, is how to use a Fluke probe to pierce wires to test voltage. You can uses these practices when installing car alarms, fog lights, car stereo, and accessories. Video Loadingnect the meter to the antenna or the radio to measure field strength. It takes two people to measure field strength. For an accurate measurement, you will need to map the site around your anten-na. Then, while someone presses the radio's transmit key, you will need to walk around the site around your antenna with the meter, marking the ...The horizontally polarized omnidirectional antenna is suitable for the 10m, 12m, 15m, 17m and 20m band. All elements are fed with a single feed line. At only half wave length above the ground, it will outperform any vertical antenna. Measuring only 2.8 by 2.8m, the Cobwebb is the solution for the DX'er with limited space.The antenna tuner should more properly be called an 'impedance matching network rather than an antenna tuner since it does not actually tune the antenna. Tuning an antenna would actually require adjusting the antenna dimensions. (SteppIR) Other names used since radio art and science began: "Match Box", "Antenna Coupler", "Feedline Coupler",Smart meters with a Green button labelled 'A' Press the green button until you see 'Total Act Import'. A reading should appear followed by 'kWh'. For two rate meters or Economy 7 meters your meter will have a '01' and a '02' reading, which you'll find by pressing the 'A' button. You should record both numbers.Then use the phone browser to get the modem signal strength by going to setup screen of the modem. Rotate the antenna in about 45-degree steps and wait for the signal to stabilise at every step. Test over 360 degrees even if it seems stupid - LTE uses MIMO and reflections from unexpected directions can actually enhance speed. genuine kawasaki engine parts 1.If you are testing an antenna for the first time after assembling it from scratch or have refurbished a used antenna, it never hurts to use your Ohm meter and test for good continuity across each joint. 2.Set your Ohm meter on the lowest resistance range like 0 to 200 Ohms. Short the leads together and note the reading.Open the dipole length calculator in a separate page. Enter a length between 1 and 500 feet Distance from center of antenna to the center of the coil in feet (Must be less than half the total antenna length given above) Enter a distance between 0 and 250 feet that is less than half the total antenna length8. To test the wiring harness, first remove the wires connected to the accessory. Carefully trace the wires back to the first connection point you encounter. This may require the removal of the wires from the protective plastic tubing. Disconnect the wires at that first connection point encountered. 9.To measure leakage current in the car, switch your multimeter to measure DC current, put the leads in the right portals, and put one lead on the negative terminal of the car battery and the other lead on different wires. When you find a big difference in the readings, you found a leakage current, which should be fixed.Vertical-Dipoles. are (best case) 1/2 wavelong, and fed in the middle with 50 to 70 Ohm coax. These have the advantages of needing no radials, no special matching at the feedpoint, and they typically have about 5 degrees lower takeoff angle than the quarterwave vertical. Disadvantage: the feedpoint is half way up the antenna, which can present ...With the multimeter on MAX voltage and radio and FSM in hand, start transmitting for about 1-2 seconds. Now read and mark down the voltage. Now move around the antenna about 45 degrees from where you started and again transmit for 1-2 seconds and get the voltage from that point. Using a digital multimeter to test an inductor is a two-step process: You need to determine the inductance of the inductor using the multimeter’s resistance function. You have measured the inductance; you can use the multimeter’s diode test function to verify that the inductor is free of shorts. Testing an inductor using a digital ... Sep 08, 2017 · A balanced antenna system has two wires. • An antenna doesn’t need a return path. It is like a resistor that dissipates heat or a lamp emitting light. • A whip antenna in itself is not an antenna. The antenna is the whip plus ground. An antenna has two poles, qualifying it as a circuit. Nov 28, 2019 · How can I test my antenna signal? Turn your antenna signal meter ON, and tune-in the lowest broadcast channel for your area. Slowly rotate your antenna 360 degrees and stop at the highest antenna signal strength (usually indicated by LEDs). Use a compass to read the direction of the highest antenna signal and record the result. my daughter is a tomboy reddit Luckily, testing an antenna is a fairly easy process. If you're not familiar with the concept of resistance or how to measure it, please refer to our guide on Understanding Electrical Resistance before proceeding further. Step 1: Using your multimeter, touch one of the probes to the metallic end of the antenna.The next part is to find a second duplexer that will work properly. There are two types that seem to work the best. First is the "res-lok" series from Sinclair. These are the Q2220, Q2222, and Q2330. It does not include the Q202 series. Pretty much any of the res-lok units will work very well. These are usually identifiable by their square const...The capacitance should be around 25 pf. for the 15 and 10 meter bands when the tubes over lap about 5 inches. The dimensions of the coil determine the frequency of operation. The coil is air wound from one tube to the other. The diameter and length of the coil should be about 3 inches. Allow 7 turns for 15 meters and 5 turns for 10 meters.Step 1: Fix a Place. A mast must be erected in a permanent location. That means that after it's installed, you won't be able to move it. As a result, you must ensure that there is sufficient space available to install it. Prepare the area where the structure will be installed.With the test probes separated, the multimeter's display may show OL and Ω. If required, press the continuity button. First insert the black test lead into the COM jack. Then insert the red lead into the VΩ jack. When finished, remove the leads in reverse order: red first, then black. With the circuit de-energized, connect the test leads ...Step 3. Re-check your SWR to verify your adjustments. Here's a step by step process for setting or tuning your antenna - the SWR on your CB antenna: Check your SWR meter: Write down the SWR reading on channels 1, 20, and 40 based on the instructions above. Adjust your antenna: If your SWR reading is higher on channel 40 than it is on channel 1 ...Run a short length of coax from the transceiver's antenna socket to the input terminal of the meter. If the cable fittings of the transceiver and meter do not mate, you can obtain adapters from your electronics parts dealer. Set the meter's function switch to "Forward."how to test a cb antenna with a multimeter A Magnetic Loop Antenna for Shortwave Listening (SWL) This how-to article describes a magnetic loop I recently built for shortwave listening. Now that the sunspot numbers are declining I needed something better than the built-in whip antenna on my portable shortwave receiver. Building on the experience I gained with a small transmitting loop, I ... vermeer 5410 rebel baler partsue5 additive layerTest three: Place one lead against the radio pin. Place the other lead against the cable. If the meter goes to infinite, then it's grounded and working well! If you see numbers above five ohms in tests one and two, or under infinite in test three, you should replace your antenna. But if they're all within the normal range, bring your car to ...Typically, in compliance testing, a 30-degree beamwidth provides decent coverage at one meter away (Fig. 2). figure 3 - Beamwidth coverage. ... Antenna gain is a fundamental aspect of both antenna design and test. Understanding how gain functions and how it affects other antenna parameters is vital to saving time and budget, as well as ensuring ...Nov 28, 2019 · How can I test my antenna signal? Turn your antenna signal meter ON, and tune-in the lowest broadcast channel for your area. Slowly rotate your antenna 360 degrees and stop at the highest antenna signal strength (usually indicated by LEDs). Use a compass to read the direction of the highest antenna signal and record the result. Following are the steps to test the signal strength of an HD TV antenna with the help of a signal meter. Disconnect the antenna coaxial cable from your TV box or TV device. Now install the signal meter between the antenna and television set to measure the signal strength. As the TV signals are passed through the signal meter, it measures the ...Open the dipole length calculator in a separate page. Enter a length between 1 and 500 feet Distance from center of antenna to the center of the coil in feet (Must be less than half the total antenna length given above) Enter a distance between 0 and 250 feet that is less than half the total antenna lengthSep 08, 2017 · A balanced antenna system has two wires. • An antenna doesn’t need a return path. It is like a resistor that dissipates heat or a lamp emitting light. • A whip antenna in itself is not an antenna. The antenna is the whip plus ground. An antenna has two poles, qualifying it as a circuit. Helical Antenna Design Calculator. Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelength.The conductor width isn't of great importance in the design.The Near Vertical Incident Skywave (NVIS) antenna is a half-wave dipole antenna mounted not over 1/8th wave above ground (at the highest operating frequency). While 1/8th wave works reasonably well, better coverage is obtained if the antenna is mounted at about 1/20th wavelength above ground. A second advantage of lowering the antenna to near 1 ...Note that the S-parameter is basically the magnitude of the reflection coefficient, which depends on the antenna impedance as well as the impedance of the VNA, which is typically 50 Ohms. So this measurement typically measures how close to 50 Ohms the antenna impedance is. Another popular output is for the impedance to be measured on a Smith Chart.5/10/10 9:52 AM Learn how to use a multimeter to check for proper ground with help from this quick video. Also shown, is how to use a Fluke probe to pierce wires to test voltage. You can uses these practices when installing car alarms, fog lights, car stereo, and accessories. Video Loadinghow to test a cb antenna with a multimeter western red cedar plywood Method 1. Turn the meter ON by switching the ON/OFF button. Turn the dial to "Hz", it shares a spot on the dial with any other function such as "VAC or V~". Pressing the "shift" button access the secondary option and starts measuring frequency. "Hz" appears on the display to confirm the meter has switched to frequency measurement.Touch one probe of the multimeter to the metallic part of the coax cable or antenna. Touch the other probe of the multimeter to the metal core of your cable. Perform these steps simultaneously. If your cable is working, the ohms reading should be zero. If you get a reading greater than zero then your coax cable requires fixing, or a replacement.The Laureate Ohmmeter is ideal for high-speed, high-accuracy resistance measurements in a production environment, such as contact resistance measurements. It is factory calibrated for five jumper selectable resistance ranges from 20.000 ohm to 200.00 kohm. Fixed, factory-special ranges of 2.0000 ohm, 2.0000 Mohm and 20.000 Mohm are also available.The 10 Meter Loop Antenna by KG0ZZ. Loop antennas are a favorite among hams. They are a simple design and offer more gain than a half wave dipole antenna. A full wavelength loop antenna can have as much as 2 db extra gain over a dipole when compared at a similar heigh. A loop antenna is usually one full wavelength long but some loop antennas ...checked by a grid -dip meter. Due to the circuitry of trap-type antennas, it will be found that any malfunction of the antenna ... A very good check of the antenna is to check the standing-wave-ratio on all the bands on which the antenna is designed to operate. This check should be done every 100 kcs. in and out of the band. A malfunction on ...Thé most widely used antenna test equipment with amateur antenna builders is the VSWR meter (Voltage Standing Wave Ratio meter). Using an SWR meter an an RF Generator, it is possible to determine if an antenna is correctly tuned to a frequency. A Homebrew VSWR meter, designed specifically for use with Wifi equipment, can be found here. impulse theme image sizes Using an antenna analyzer find the resonant point for the antenna and look at the impedance. The impedance should be less than 50 ohms indicating that windings need to be removed to get close to 50 ohms. Don't trim the wire until you are sure of the best match. In most cases 27 turns works out best.1. First of all, disconnect the power of satellite TV receiver or Satcom modem and then check the LNB. You should replace it if the casing which encloses LNB is damaged. 2. Check the joints, if they are loose, screw them, or if they are corroded, you will have to replace it with a new one. 3. Now check the LNB using satellite signal meter.The antenna is a ladder-line fed, 80 meter dipole used on all bands. The ladder line is brought directly into the operating position where it connects to the balanced output of the transmatch. ... This test is especially good for checking out radial systems for verticals and ground systems on boats. First, purchase two, inexpensive, 75' rolls ...Set your meter to Ohms setting. Unplug the antenna cable from the receiving device. For example, disconnect the antenna from the TV’s back if you like to test the signal on your room’s TV. Use the multimeter’s lead to touch the metal part of the antenna. Touch the other lead to the cable’s metalcore. Remember that ohms reading here must be zero. Trying to check & use different radio modes. Tuning in and peaking the ham radio itself. Plugging jumper cables for connection change. Altering its frequencies to a lower/higher level. ... Make sure all electrical wires are connected and the 10 meter antenna is in place (if required). Its microphone jack is either located in the front panel or ...You need a length of 5.3m and 10.6m of cable respectively for the 10 and 20 meter band. Right in the middle, cut one of the two wires and cut back about 2cm from each strand. Place a ring connector with a 5mm hole on each side of the cut wire. Solder the connector to the cable instead of crimping it.The SX100 measures forward and reflected power and VSWR. Compact size makes meter useful for testing both base and mobile installations. Special Features: • Illuminated meter*. • Switchable r.m.s. or peak power. • Measures forward, reflected & VSWR power. • 6"W x 2"H x 4"D, 2 lbs. Specifications:1. Switch on the multimeter and turn the dial to the AC setting. AC stands for alternating current and this setting measures the volts that an outlet is putting out. Find the power switch on your multimeter and switch it on. Then, locate the dial on the front of the multimeter and turn it to the AC setting.First attach the ring core to the mounting plate before assembling it into the enclosure. See picture below. Connect the primary side of the ring core (bottom, where the blue wires are next to each other) to the coax connector. The two blue wires at the center core of the coax connector and the black wires on the chassis part with a cable lug.Connect the end part to the meter in the antenna again. This should be marked at ANT or Antenna. Connect the radio with the Jumper Lead and the SWR meter labeled as XMIT or Transmitter. Step 3: You can now calculate the reading on different channels. Keep in mind to maintain the same distance from the microphone to the meter for each of the tests.With the multimeter on MAX voltage and radio and FSM in hand, start transmitting for about 1-2 seconds. Now read and mark down the voltage. Now move around the antenna about 45 degrees from where you started and again transmit for 1-2 seconds and get the voltage from that point. Nov 15, 2021 · Detach your antenna cable from the receiver. Next, pick one cord of the multimeter and touch its end to the antenna's metal part. Now, pick the second cord of the multimeter and touch its end to the antenna cable's end. Ensure that the reading on the multimeter is zero. 4. Locate Carrier Towers. To locate cell phone towers within range of the signal meter's antenna, open the Cell LinQ app on your device and press the scan button. When you see a rotating icon on the screen, the meter is in the process of collecting data. The Cell LinQ app delivers sophisticated information. You can:This antenna is a full wavelength single-delta-loop, with the point of the triangle at the top of the single support pole, and fed near one of the corners - One Quarter Wavelength down the diagonal leg. Feeding and matching is simple; it's fed with a quarter-wavelength of RG-11 or RG-59 (75 Ohm) coax, and then any length of 50 Ohm coax. yenko vega for saleRank No. #1. Winegard Elite Pro Outdoor VHF/UHF HDTV Antenna with Bluetooth Signal Meter and Integrated Channel Finder, Up to 70 Mile Range. Winegard's industry leading Bluetooth SLM technology easily allows you to find the invisible FREE 4K UHD television signals floating around your house, with a simple 1. Connect 2.How can you tell your marine VHF radio system is performing up to par? This video from Shakespeare shows how to check it out with and without an SWR meter. Set the multimeter to measure ac or dc voltage as required. Turn the dial (rotary switch) to Diode Test mode. It may share a space on the dial with another function. Connect the test leads to the diode. Record the measurement displayed. Reverse the test leads. Record the measurement displayed.Smart meters with a Green button labelled 'A' Press the green button until you see 'Total Act Import'. A reading should appear followed by 'kWh'. For two rate meters or Economy 7 meters your meter will have a '01' and a '02' reading, which you'll find by pressing the 'A' button. You should record both numbers.80 Meterr Vertical Antenna. QUARTER WAVE 80 METER VERTICAL ANTENNA. By. W4NFR. 2010. In the summer of 2010, I decided to construct a 1/4 wave 80 meter vertical using 3" OD Aluminum Tubing. The large diameter yields broadbanded coverage of the 80 Meter Band. It's an 1/8 wave vertical on 160 meters also. This antenna is 58 ft tall and is mounted ...Step 1: Touch one of your multimeter probes to a metallic portion of the mount as illustrated in Image 1. Make sure you DO NOT touch the stud portion of the mount, as it is SHOULD NOT be grounded -- it carries the current from the radio to the antenna. Image 1: Measuring from the Mount (Top- and Center-Loaded Antennas)1. 144 - 148 MHz High Selectivity, High Q, Low Loss RX Bandpass Filter BPF 2. Wideband Low Noise Amplifier. 3. Double High Power Relays with 16A contacts. Receive gain: Extreme Low Loss on transmit side thanks to RT/duroid® 5880 Laminate. Less than 0.1 dB. With Excellent Wide-band Return Loss 144 - 148 MHz. Better than -35 dB. irs code 977Checking Cable Signal Strength Using Multimeter. The strength of the signal cable can be reduced because of the deterioration in the coaxial cable. So at first, we have to check out whether the cable is fine or not. For this purpose, you need a multimeter and a probe. For checking the cable signal strength at first you have to make sure whether ...TEST SET FOR 10/100/1000 WATTS, SWR & PERCENTAGE MODULATION, 3-METER-LIGHTED: $129.99: 1003958: TFC-3001 BLUE READOUT: NEW MODEL BUILT IN LIGHTED FREQUENCY COUNTER TEST -10/100/1000, SWR, MOD. ... SWR METER/ANTENNA MATCHER: $19.99 *Palco Electronics has everyday discount prices. However, if you should find a lower price on an identical, brand ...The ultimate guide to installing an outdoor HDTV antenna. Here you'll find advice & recommendations on how to safely set up an antenna and get your favorite over-the-air TV channels ... Check or ask whether the device contains a digital tuner. ... I'd advise mounting it on a mast of at least one meter (around 3.3 feet) above the roof to ...First attach the ring core to the mounting plate before assembling it into the enclosure. See picture below. Connect the primary side of the ring core (bottom, where the blue wires are next to each other) to the coax connector. The two blue wires at the center core of the coax connector and the black wires on the chassis part with a cable lug.In my focusing on the antenna, I was assuming the coax and all connectors between the radio and the antenna were OK, but in fact, I hadn't really tested them. I remembered checking the continuity of the PL259s that I installed, but I never really separately tested the entire coax with a dummy load or with an ohm meter for the correctness and ...The Logarithmic dB Scale Antenna engineers use a logarithmic scale to express this apparent 2x (times two) mirror power doubling as "+3 dBi". It still means "doubling". Here are some other examples of ratios or multipliers on the engineering dBi gain log scale. Evaluate Your AntennasWhen a "SWR" is tesed, the meter will show, if your antenna is properly working or not. If you test SWR meter in the red, that indicates that is a significant problem with the antenna system or a bad radio ground. Don't use or operate the radio until a good SWR reading can be achieved.Broken Antenna: To test for a possible broken antenna (on a directional multiple-antenna beacon), set up the target beacon (in Transmit) and your test beacon (in Search) so that they are in optimal coupling alignment, i.e., pointing directly at each other (although see prior note regarding use of a BCA Tracker DTS/T2 or Ortovox 3+/S1+ as targets).Try typing in " TV antenna installer in *your area* ". For example, typing in " TV antenna installer in Bethlehem, Pennsylvania " will get you everyone's favorite YouTube antenna expert Tyler the Antenna Man. twilight fanfiction charlie hurts bella xa