{"title":"HAM SWR ATU ANALYSER METERS","description":"\u003cp\u003e\u003c\/p\u003e","products":[{"product_id":"ldg-z-817-automatic-atu-yaesu-817","title":"LDG Z 817  Automatic ATU Yaesu 817","description":"\u003cp\u003eThe Z-817 is the ultimate autotuner for QRP radios including the Yaesu FT-817(D). The Z-817 interfaces to the CAT port (ACC) on the back of the FT-817 radio with the provided cable. Tuning could not be simpler; one button push on the tuner is all that is needed and the Z-817 takes care of the rest. It will switch to PKT mode, transmit a carrier, tune the tuner, then restore the radio to the previous mode! 2000 memories cover 160 through 6 meters. Of course, the Z-817 will also function as a general purpose antenna tuner with other QRP radios. Just transmit a carrier and press the tune button on the tuner. The Z-817 is powered by four AA internal Alkaline batteries (not included), so there are no additional cables required to use the Z-817.  Latching relays are used so that power consumption is Zero when not tuning allowing a set of batteries to last about one yearSpecifications: RF Power 0.1 to 20 watts SSB, CW and digital modes.Latching relays for ultra low power consumption Battery operated 4 x 1.5V Alkaline AA (not included)Built-in CAT port interface. CAT thru port for computer connection. 38400 baud.2000 memories when used with FT-817 interface (200 memories for other radios)1.8 to 54 MHz coverage (continuous coverage for MARS)Tunes 6 to 600 ohms (about 10:1 SWR range). 16 to 150 on 6M (about 3:1)SO-239 in and out connections for dipoles, verticals, beams, G5RV, OCF, Cobra, ect.Dimensions: 5.1äó�L,  4.7äó�W, 1.7äó�H. Weight: 9.3 ounces (without batteries).Includes 1 foot CAT cable.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736448528448,"sku":"4176","price":118.45,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/ldg_817_h.jpg?v=1558456823"},{"product_id":"zetagi-hp6-power-reducer-meter","title":"Zetagi HP6 Power Reducer \u0026 Meter","description":"\u003ch2\u003eZetagi HP6 Power Reducer A power reducer with built in power meter for input powers of up to 10W AM FM or 20W SSB. 1 - 30Mhz frequency range Output can be selected in 6 stages from 10 to 90 of the input power. No electrical connection needed. SO239 fitting.\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736450527296,"sku":"4195","price":41.75,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/1331069980_original_1.jpg?v=1558456843"},{"product_id":"zetagi-hp-500-twin-window-swr-pwr-power-meter","title":"Zetagi HP 500 Twin Window SWR\/PWR Power Meter HP500","description":"\u003ch2\u003eZetagi HP 500 Twin Window SWR\/PWR Power Meter HP500\u003c\/h2\u003e\n\u003ch2\u003eCombined SWR\/Power Meter, the Zetagi HP500 covers a very handy 3-200 Mhz and will read up to 2kw power, also has a useful 50\/75 ohm setting too. \u003cbr\u003e Frequency Watt 3-200 MHz\u003cbr\u003e Frequency SWR 3-200Mhz\u003cbr\u003e Max Power 2Kw\u003cbr\u003e Impedance 50 Ohm - 75 Ohm\u003cbr\u003e Accuracy + - 10 %\u003cbr\u003e Dimensions 160 x 110 x 115 mm\u003cbr\u003e Weight 1.25 Kg\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736451280960,"sku":"4197","price":69.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/1331070796_original_1.jpg?v=1558456847"},{"product_id":"swr-av-40-avair-vswr-power-meter","title":"Maas SWR AV RX 40 AVAIR VSWR\/POWER Meter","description":"\u003ch2\u003eMaas AV RX 40 AVAIR VSWR\/POWER Meter\u003c\/h2\u003e\n\u003ch2\u003e144 - 470MHz (AV-40) *\u003c\/h2\u003e\n\u003ch2\u003eImpedance 50 Ohms *\u003c\/h2\u003e\n\u003ch2\u003ePower 0 - 15W \/ 0 - 150W switched *\u003c\/h2\u003e\n\u003ch2\u003eMeasures forward \/ reflected power + VSWR *\u003c\/h2\u003e\n\u003ch2\u003eSensitivity 3W for full scale deflection *\u003c\/h2\u003e\n\u003ch2\u003eAccuracy 10% at full scale *\u003c\/h2\u003e\n\u003ch2\u003eSize 85 x 87 x 95mm *\u003c\/h2\u003e\n\u003ch2\u003eWeight 280g\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736483983424,"sku":"3889","price":51.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/1297553962_original_1.jpg?v=1558457046"},{"product_id":"nissei-rx-203-vswr-meter-1-8-200mhz","title":"Nissei RX 203 VSWR Meter 1.8 - 200MHz","description":"\u003ch2\u003e\u003cstrong\u003eRX 203 Nissei VSWR Meter 1.8 - 200MHz\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eForward\/reflected\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eaverage\/PEP\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eX needle\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e1.8-200MHz 2-20-200W\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eSO-239\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e12v\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures:Large Cross-Needle MeterForward \u0026amp; Reflected PowerAvergae or PEP readingsTrue directional couplerLED backlightingThree colour scale for easy readingSwitched power levels 2 - 20 - 200W\u003c\/strong\u003e\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736492765248,"sku":"3890","price":64.75,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/1297693350_original_1.jpg?v=1558457104"},{"product_id":"swr-zetagi-hp201-swr-pwr-meter-2kw-3-200mhz","title":"SWR ZETAGI HP201 SWR\/PWR METER 2KW ,3-200MHZ","description":"\u003ch2\u003eSWR ZETAGI HP201 SWR\/PWR METER 2KW ,3-200MHZ\u003c\/h2\u003e\n\u003ch2\u003eA very popular meter for base station use, this meter is designed to measure v.s.w.r. for a frequency range 3-200 MHz, and power (26-30 MHz).\u003c\/h2\u003e\n\u003ch2\u003eTechnical Specifications:\u003c\/h2\u003e\n\u003ch2\u003eFrequency Range\u003cbr\u003e 3-200 MHz\u003cbr\u003e \u003cbr\u003e Impedance\u003cbr\u003e 50 ohms\u003cbr\u003e \u003cbr\u003e Accuracy\u003cbr\u003e S.W.R. +\/- 5%, Wattmeter +\/- 10%\u003cbr\u003e \u003cbr\u003e Power Measurements\u003cbr\u003e 1 W\/10 W\/100 W\/1 KW (26-30 MHz)\u003cbr\u003e \u003cbr\u003e Size\u003cbr\u003e 130mm (w) x 80mm (h) x 140mm (d)\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736533397568,"sku":"3507","price":47.69,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/545_original_1.jpg?v=1558457327"},{"product_id":"mfj-945e-hf-6-meter-mobile-antenna-tuner-w-wattmeter","title":"MFJ 945E HF\/6 Meter Mobile Antenna Tuner w\/ Wattmeter","description":"\u003ch2\u003eMFJ 945E covers 1.8 to 60 MHZ\u003c\/h2\u003e\n\u003ch2\u003eNew! Now covers 6-meter band and has antenna bypass Switch!\u003c\/h2\u003e\n\u003ch2\u003eHandles 300 Watts.Super Compact SizeThe small 8W x 2H x 6D inch black aluminum cabinet uses little room. The Cross-Needle meter shows SWR, forward and reflected power -- at a glance. It reads forward\/reflected power in 300\/60 and 30\/6 Watt ranges. ON\/OFF lamp switch. Requires 12 volts for lamp. (MFJ-1312D)Fast, easy tuningConvenient placement of controls makes tuning fast and easy while in motion. Antenna switch lets you bypass tuner and still use the SWR\/Wattmeter.Back panel has SO-239 connectors for transmitter and coax and a wing nut post for your ground.1000 Volt capacitors\u003c\/h2\u003e\n\u003ch2\u003eEfficient airwound inductor gives you lower losses and more Watts out. 1000 Volt capacitors. Covers 1.8 to 60 MHz. Use it at home in your base station when youre not in your RV, boat or car.\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736544473152,"sku":"3551","price":174.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/665_original_1.jpg?v=1558457391"},{"product_id":"ldg-at-100-pro-ii-automatic-antenna-tuner","title":"LDG AT 100 Pro II Automatic Antenna Tuner","description":"\u003cp\u003eThe LDG AT-100ProII is the next step in the evolution of the automatic tuner. This desktop tuner covers all frequencies from 1.8 äóñ 54 MHz, and will automatically match your antenna in no time.Updated features include an LED indicator for antenna selection and an LED to indicate when in bypass. It features a two-position antenna switch, allowing you to switch instantly between two antennas. The AT-100ProII requires just 1 watt for operation, but will handle up to 125 watts, making it suitable for everything from QRP to a typical 100 watt transceiver.  The AT-100ProII includes 2,000 memories for each antenna, automatically storing tuning configurations for each frequency and band as you use them. Frequency sensing circuitry lets the AT-100ProII äóìknowäó� your operating band and frequency. Whenever you transmit on or near a frequency youäó»ve used before, the AT-100ProII can retune from memory almost instantly.  Rugged and easy-to-read LED bargraphs show power and SWR, and a Function key on the front panel allows you to access data like mode and status. The AT-100ProII uses latching relays which retain the tuned configuration indefinitely even when powered down.  The AT-100ProII uses LDGäó»s state-of-the-art processor-controlled Switched-L tuning network. It will match dipoles, verticals, inverted-Vees or virtually any coax-fed antenna. With an optional LDG balun, you can also use longwires or antennas fed with ladder-line.1 to 125 watt power range (SSB and CW), 100W on 6M. Easy to read LED bargraph display for RF power, SWR, status. LED indicator for antenna selection and bypass.4000 memories for instantaneous band changing.Two position antenna switch. Separate memories for each antenna.Tuning time: 0.5 to 6 seconds full tune, 0.2 sec memory.Selectable user parameters: Auto\/Semi, 125\/12.5 watt scale, autotuning threshold and more.1.8 to 54.0 MHz coverage. Built-in frequency sensor.Tunes 6 to 1000 ohm loads (16 to 150 on 6M),.For Dipoles, Verticals, Vs, Beams or and Coax Fed Antenna.Optional external Balun allows tuning of random length, long wire or ladder line fed antennas.Includes DC power cable.Power requirements: 11 to 16 volts DC at 500 mA Max.Small Size Enclosure: 7.5äó�D x 5.5äó�W x 2.0äó�H. Weight: 1.5 pounds.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736547815488,"sku":"4164","price":207.76,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/1322680350_original_1.jpg?v=1558457417"},{"product_id":"swr-av-1000-avair-vswr-power-meter","title":"AVAIR AV-1000 SWR VSWR\/POWER Meter 400w HF VHF UHF","description":"\u003ch2\u003e\u003cstrong\u003eAV-1000 AVAIR VSWR\/POWER Meter *\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequency range: 1.8 -160MHz, 430-450MHz, 800-930MHz, 1240-1300MHz *\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003ePower: 5W, 20W, 200W, 400W (AVG\/PEP) \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eSockets: SO-239 (1.8-160MHz), N-type (430-1300MHz) \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eSize: 155 x 63 x 103mm \u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eWeight: 870g\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003eNew model from AVAir - The AV-1000 for HF, VHF, UHF \u0026amp; 23cm. It has identical styling with other models in the range including a large clear meter for easy readout. Built-in lamp for illumination, just requires an external 12V supply. Average or PEP at a switch of a button.\u003c\/strong\u003e\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736551518272,"sku":"3589","price":98.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/657_original_1.jpg?v=1558457445"},{"product_id":"mfj-929-compact-200w-1-8-30mhz-automatic-antenna-tuner","title":"MFJ-929 Compact 200W 1.8 - 30MHz Automatic Antenna Tuner","description":"\u003cp\u003eMFJ-929 Compact 200W 1.8 - 30MHz Automatic Antenna Tuner The MFJ-929 IntelliTuner-CompactTM lets you automatically tune any coax fed or random wire antenna 1.8-30 MHz at full 200 Watts SSB\/CW. It can match 6-1600 Ohms (SWR up to 32:1) - - thats a 50% wider matching range at a higher power level than lesser competing products.You get a digital SWR\/Wattmeter with backlit LCD, antenna switch for 2 antennas, built-in radio interface and built-in internal BiasTee for remote tuner operation.MFJs exclusive IntelliTuneTM, Adaptive SearchTM and InstantRecallTM algorithms give you ultra-fast automatic tuning with over 20,000 VirtualAntennaTM Memories.MFJ VirtualAntennaTM MemoryMFJ new VirtualAntennaTM Memory system gives you 4 antenna memory banks for each of 2 antenna connectors. You can select up to 4 antennas on each antenna connector. Each antenna has 2500 memories.4 Times the Solutions!MFJ-929 gives you 256 values each of capacitance and inductances for 131,072 matching solutions. Thats 4 times the 32,768 matching solutions of competing products with only 128 L\/C values each!Highly intelligent, ultra-fast tuning!Dont be fooled by competing products claiming fast search times -- if you have a quarter of the matching solutions, of course, it takes less time to finish but its not faster.MFJs faster speed comes from advanced technology and software algorithms not from fewer matching solutions.MFJs IntelliTuner-CompactTM actually measures complex impedance -- R and X --of your antenna, computes the L-network values needed and snaps in those components to give you an instant match.If the load is out of measurement range, AdaptiveSearchTM determines the smaller sub-set from all solutions that can match a safe load -- and then searches only that subset -- others search through far more solutions.Digital LCD SWR\/WattmeterAn easy-to-read, two-line, 16-character backlit LCD displays SWR, peak or average forward\/reflected power, frequency, antenna 1 or 2, L\/C tuner values, on\/off indicators and other info. They are selected from easy-to-understand menus -- not complex combinations of buttons you can퀌¢í¢äó_Œåí¢äó_Œ¢t remember.A fast-response, high-resolution bargraph gives you an auto-ranging 20\/200 Watt power meter. You get 60 segments each for forward and reflected power and 36 segments for SWR -- try that with an 8 segment bargraph that makes you change power ranges and doesn퀌¢í¢äó_Œåí¢äó_Œ¢t even give you reflected power!You can read inductance and capacitance directly in uHy and pF. This turns you into an expert L-network designer! Match your load, read the resulting L\/C values, then use them to build your fixed L-network.Or, knowing the L\/C values you can determine R and X of the load impedance.StickyTuneTM mode gives you one-hand tuning by locking the TUNE button -- just transmit to tune regardless of SWR.Has audio SWR meter and audio feed back. Competing products don퀌¢í¢äó_Œåí¢äó_Œ¢t. Built-in 50 MHz frequency counter. Its built-in radio interface lets you use a simple wire cable to compatible rigs. Others require a cable with expensive electronics. Binding post for random wire. Self-test. Highly efficient L-network. 10 Amp\/1000V relays, RF duty silver mica capacitors. 61\/2 Wx23\/4Hx71\/2D in. 2.4 lbs. 12-15 VDCexternal voltage required to power ATU\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736551813184,"sku":"3590","price":213.44,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/659_original_1.jpg?v=1558457447"},{"product_id":"mfj-207-hf-swr-analyser","title":"MFJ 207 HF SWR Analyser","description":"\u003ch1\u003e\u003cstrong\u003eMFJ-207 HF SWR Analyser\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003e Frequency Coverage 1.75-30MHz \u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eFive Frequency Ranges \u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eAnalogue* Connector SO-239 \u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eSupply: AA Cells or ext. 9V DC \u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003e Size 60 x 190 x 55mm \u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003e Weight 470g\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eThe MFJ-207 has many uses. It can be used to find the resonant frequency of your antenna and gives you a direct readout of the antenna SWR. The frequency coverage is approximately from 1.75 to 30MHz in five bands and provides a very smooth reading of SWR at high frequencies. 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Still small and simple to use, the Z-100Plus sports 2000 memories that store both frequency and tuning parameters. It will run on any voltage source from 7 to 18 volts; six AA batteries will run it for a year of normal use. Current draw while tuning is less than 100ma.The Z-100Plus now includes an internal frequency counter so the operating frequency is stored with tuning parameters to make memory tunes a blazingly fast 0.1 seconds; full tunes take an average of only 6 secondsRF Power: 0.1 to 125 watts SSB, CW and digital modes.Latching relays for ultra low power consumption 2000 memories sorted by frequency.1.8 to 54 MHz coverage (continuous coverage for MARS)Tunes 6 to 800 ohms. (16 to 150 on 6M)SO-239 in and out connections for dipoles, verticals, beams, G5RV, OCF, Cobra, ect.7 to 18 Volts DC, 100 mA. 6 foot DC power cable included.Dimensions: 5.5äó�L, 5.5äó�W, 1.5äó�H. 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This limits you to antennas that are pretty much resonant to start with; droopy dipoles and wet-noodle verticals on Field Day are out of the question with the AT-180. And, the AT-180 has only 70 memories. That's just 7 or 8 memories per band; heck, there's more RV and county hunter nets than that, never mind DX calling frequencies and SSTV watering holes.  Once again, LDG comes to the rescue. The IT-100 is the ideal tuner for your shiny new Icom radio. First, it matches up to 10:1 SWR (3:1 on 6 meters), so just about anything you can feed with coax is good to go. And, it has 2,000 (not a typo; that's 2,000!) memories, enough for every Dxpedition, RTTY spot and radio buddy you've got, and then some. Just hit the tune button on the radio, and your IT-100 will set tuner parameters in less than a second if you've been there before. If not, it kicks off a full tuning cycle that will be over in about 3 seconds. 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The Z-11ProII uses LDG state-of-the-art processor-controlled Switched-L tuning network. It will match dipoles, verticals, inverted-Vs or virtually any coax-fed antenna. With an optional LDG balun, it will also match longwires or antennas fed with ladder-line. The Z-11ProII has 2,000 memories automatically storing tuning configurations for each frequency and band as you use them. Frequency sensing circuitry lets the Z-11Pro now your operating band and frequency. Whenever you transmit on or near a frequency you've used before, the Z-11ProII retunes from memory almost instantly. Full auto mode tunes with SSB. Just speak into the mic and it tunes! Memories are retained indefinitely. Rugged and easy-to-read LEDs indicate SWR and status. 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An included CAT\/Power cable interfaces with your FT-450(D) and FT950. This makes it an integrated tuner powered by the interface. No extra power cables are needed. Just press the tune button on the tuner and everything else happens automatically! The mode is set to carrier and the RF power is reduced, a tune cycle runs and the radio is returned to the original settings. RF Power: 1 to 100 watts SSB and CW, 30W on PSK.Latching relays for ultra low power consumption Built-in CAT\/Power interface for FT-450(D) and FT-950 radios.CAT thru port for computer control of radio. 4800 baud.2000 memories sorted by frequency.1.8 to 54 MHz coverage (continuous coverage for MARS)Tunes 4 to 1000 ohms. (16 to 150 on 6M)SO-239 in and out connections for dipoles, verticals, beams, G5RV, OCF, Cobra, ect.Dimensions: 7.0äó�L, 7.8äó�W, 2.0äó�H. 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Its perfect for Ameritrons best selling 800 Watt AL-811H or 600 Watt AL-811 amplifiers!MFJ-962D is new and improved! New features include MFJs AirCore Roller Inductor, new aluminum-skirted knob set including a weighted deluxe spinner knob, ultra compact size (10.75 x 4 x 10.875 inches) and scratch-proof multi-colored Lexan front panel. Two transmitting tuning capacitors and MFJs exclusive AirCore roller inductor gives you precise control to get your SWR down to an absolute minimum.You get an extremely wide matching range from 1.8 to 30 MHz continuously including MARS and WARC bands.MFJs AirCore roller inductor has an air core that cant burn up. You get ultra high-Q, low loss and MFJs exclusive Self-Resonance Killer that eliminates damaging self-resonances.MFJs lighted peak and average reading Cross-Needle SWR\/Wattmeter makes tuning quick and easy. At one glance you can read SWR, forward and reflected power in two power ranges. Meter light uses 12 VDC or 110 VAC with MFJ-1312D. A 6-position ceramic antenna switch lets you select 2 coax lines (direct or through tuner), random wire and balanced lines. You get a heavy duty MFJ TrueCurrentBalun for balanced lines. High-voltage ceramic feedthru insulators let you operate high power into balanced feedlines.\u003c\/strong\u003e\u003c\/h2\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":28736791543872,"sku":"3454366456","price":299.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/4803\/8208\/products\/mfj-962d.jpg?v=1558458716"},{"product_id":"mfj-931-mfj-artificial-ground","title":"MFJ 931 MFJ Artificial Ground","description":"\u003ch1\u003e\u003cstrong\u003eMFJ-931 MFJ Artificial GroundCreate an artificial ground with the MFJ-931! It effectively places your rig near actual earth ground potential even if your rig is on the second floor or higher with no earth ground possible! It electrically places far away RF ground at your rig.Hows your RF ground? Do you have RF \"hot spots\" that \"bite\" you when you transmit? Do you have RF feedback that causes your rig to quit working on some bands? Do you have TVI\/RFI that makes your neighbors hard to live with? Do you get weak signal reports because of extreme ground losses or radiation pattern distortion?These problems could be caused by poor RF grounding, especially if your rig is on a second floor with no ground at all. Even if you have a good ground, a long connection wire can ruin its effectiveness by isolating a true RF ground from your rig.MFJ-931 creates an artificial RF ground! It resonates a random length of wire thrown along the floor and produces a tuned counterpoise. This ground effectively places your rig near actual earth ground potential even if your rig is on the second floor or higher with no earth ground possible.Also, the MFJ-931 electrically places a far away RF ground directly at your rig -- no matter how far away it is. It reduces the electrical length of the ground connection wire to virtually zero by tuning out its reactance.The MFJ-931 connects between your rig and a random length of wire or a connecting ground wire. 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Wipe out interference and noise before it gets into your receiver! It works on all modes -- SSB, AM, CW, FM and frequencies from 1.5 to 30 MHz You can instantly change from nulling to peaking a signal at a push of a button and improve weak signal reception! Wipe out all types of Noise Wipe out ... lightning crashes from distant thunderstorms, sever power line noise from arcing transformers and insulators, lamp dimmers, touch controlled lamps, electric drills, motors, industry process, TV birdies... Strong local ham overloading your sensitive receiver? Cant copy your QSO? cast a deep null on him and literally take him out -- you wont even know hes there. You can dig out a weak station hidden under a powerful one on the same frequency! Null out your local AM broadcast station. Underneath, you might find an exotic distant station on an island youve never heard of. Works on SSB, AM, CW, FM, RTTY, SSTV, Packet and Pactor -- all modes. It works on all frequencies from 1.5 to 30 MHz, including all MF and HF amateur bands and shortwave broadcast. A noise blanker cant... Interference much strong than he desired signal can be completely removed without affecting the desired signal. Prevent overload by canceling noise before it gets into your sensitive receiver. The MFJ-1025 is effective with all types of interference on all modes. Signals can be peaked or nulled. The MFJ-1025 and your antenna can electrically \"rotate the array\" while the antennas remain physically stationary ... adjust both direction and wave angle of null or peak.... change from nulling to peaking with the push of a button... ignore mutual coupling effects as phase and level are adjusted. Use the MFJ-1026 as an adjustable phasing network. You can combine two antennas to give you various directional patterns and improve receiving signal levels. Examples... two verticals become steerable array... your beverage and your transmitting antenna can enhance weak signals...two parallel staggered. Beverage antennas can improve front-to-back ratio or steer nulls. Connects between transmitting antenna and transceiver. To null, adjust amplitude and phase controls for minimum S-Meter reading or lowest noise. To Peak, push reverse button. use built-in active antenna or an external one. Has near constant amplitude phase control. RF sense T\/R switch bypasses your transceiver when you transmit. Adjustable delay time. 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They have provision for backlighting from an external 12V DC source. The required DC lead is included in the package. The advantage of cross needle readout is that no sensitivity adjustment is needed for VSWR ratio readings and of course you can instantly see both forward and reflected power. 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It has been designed from the ground up to provide the power handling you asked for, in a  small, lightweight package that is perfect for portable as well as  sitting on your desk in your shack!The AL100 will tune with 0.1 to 100 watts (50 watts on 6 meters), making it an excellent choice for any Alinco radio or operating style. Backpackers and QRP operators will  appreciate the latching relays. When the tuner is not tuning, it draws  nearly zero amps.Microprocessor controlled High efficiency switched \"L\" tuning network LED indicator for Status. 2000 super fast memories Latching relays, holds tune position forever. Uses Tune Button on radio for DX-SR8T, DX-70 and DX-77.Tune Button on tuner can be used with DX-70 and DX-77.Tuning time: 0.5 to 6 seconds, 3.0 average Current consumption: Powered from Alinco radio with included AL-IC interface cable. Idle - Nearly zero amps. 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