23 results for reducing 2 to 1 inch found in 2.000 seconds

if the currents are equal. MFJ-835 $119 95 Three New models coax, balanced line ... quick with pinpoint accuracy. MFJ-856 $149 95 New, Improved MFJ IntelliTuner TM ... Automatic Tuners Now has 20,000 memories and dual power: matches 6-1600 ... Ohms at 300 Watts or 6-3200 Ohms at 150 Watts! MFJ-993B $259 95 MFJ 1/2 Wave, 6 ... -Band Rotatable Mini-Dipole Low profile 14 feet, 7 foot turning radius . . . 40, ... 20, 15, 10, 6, 2 Meters . . . 1500 Watts . . . Directivity focuses signal ... , reduces QRM/noise . . . MFJ-1775 $239 95 See Page 15 See Page 55 See Page 14 ... 2-Position Remote Antenna Switch Use single ... feedline to feed two antennas, 1.8-150 MHz, 1500 Watts, 50-75 Ohms. MFJ-4712 ... $79 95 See Page 14 New and Improved Small, highefficiency ...

you absolute minimum SWR . . . Simple 2-knob tuning . . . Lighted Cross-Needle SWR/ ... . . . Balun for balanced lines . . . 1.8-30 MHz coverage MFJs innovative ... 3 KW PEP SSB amplifier input power (1500 Watts PEP SSB output power). Tunes 1.8- ... and a roller inductor. Simple 2-knob tuning makes tuning easier than ever. ... fooling with your tuner. The compact 10 3/4x4 1/2x15 inch cabinet has plenty of ... room to mount the roller inductor away from ... . It reads peak or average power on 2000 or 200 Watt ranges. Lamp has on/off ... switch and uses 12 VDC or 110 VAC with MFJ-1312D, $14.95. MFJ ... The MFJ-986 uses a true current balun to force equal currents in the two antenna ... cost. The compact MFJ-962D handles 1500 Watts PEP SSB amplifier input power ( ...

knob lets you switch in inductance to bring an attached wire to a low ... impedance current point to form an artificial ground. A push ... lets you use the Cross- Needle Meter to monitor for maximum ground current. ... With an artificial ground to work against, youll be surprised to see ... full featured antenna tuner that covers 1.8-30 MHz. Lighted CrossNeedle meter reads ... Forward/ Reflected power at-a-glance. 4:1 balun for balanced lines. Features ... airwound inductor, high current/voltage 12-position inductor switch and two 1000 volt air- ... random wire, coax and balanced lines. 10 5/8Wx3 1/2Hx8D in. MFJ Artificial RF ... 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 ...

bookcase or window and attach both ends to this new MFJ Small Loop Tuner TM. It ... loop antenna! You can operate 5.3 to 30 MHz with a full 150 Watts. No ground ... operation it really gets out! A 13 foot wire formed into a loop operates ... 30-20 Meters (4 foot for 17-10 M; 7 foot for 20-15 M; 28 foot for 60- ... . A given wire length covers about 1.5 to 1 frequency range (i.e. 7-10/18-28 MHz ... Mount for PVC Cross on cover. See June, 1986, QST or recent ARRL Antenna Handbook for ... , high efficiency loops. MFJ-936B, $249.95. For home/portable stations. Has ... /300 Watts Cross-Needle SWR/Wattmeter. 10 1/4Wx5 1/4Hx9 1/2D inches. MFJ-935B, $ ... 199.95. For portable/home stations. Smaller, ... meter with sensitivity control. 6 1/4Wx5 1/4Hx9 1/2D inches. MFJ-933, $179. ...

flat Mobile/ portable SWR/Wattmeter 14 www.mfjenterprises.com MFJ's new flat, ... compact SWR/Wattmeter is plenty rugged to take the abuse of brutal mobile and ... slightly protruding so there's little to break. Simultaneously read SWR/forward ... / reflected power on full size 3-inch lighted Cross- Needle Meter. Use 12 VDC ... MFJ-5510, $6.95. 30/300 Watt ranges, 1.8-30 MHz, SO- 239 connectors. 5Wx3Hx2D ... inches. See page 13 for more SWR/Wattmeters! MFJ-818 $69 ... directional 3 element Yagi (MFJ-856, $149.95) for pinpoint accuracy or the compact ... these handheld power line noise meters to search out leaky insulators, loose ... . Track the noise source right down to the pole, transformer or insulator, or ... other source. Operates in the 135 MHz region where activity is a minimum ...

when youve suppressed the problem. Easy-to-use. Clamp current transformer over ... suspected cable or wire (up to 1/4 in. dia.) to detect RFI causing ... common-mode currents. 2 1/4Wx4 3/4H x1D inches fits in shirt pocket. Use 9 Volt ... battery. Usable VLF to VHF. Gain adjustable over 50 dB range. ... quickly snaps over wires and cables to measure RF currents flowing in antenna ... cables. Has five calibrated ranges to 3 Amperes including sensitive 30 mA ... range with linearity compensation to assure accuracy at low currents. It's ... sensitive enough to use an MFJ SWR Analyzer as the source ... to drive your antennas. Less than 1 mA on super-sensitive Variable Range ... RFI on household wiring and cables. 1-30 MHz plus. inch diameter cables. 2 Wx5 ...

MFJ VersaLoad TM kW Dummy Load MFJ-250X VersaLoad TM KW dummy load lets you ... tune up fast! Run 1KW CW or 2 KW PEP for 10 minutes. Run 1/2 KW CW or ... 1 KW PEP for 20 minutes. Run continuous duty with 200 ... oil (not included). Low VSWR to 400 MHz. Under 1.2:1 to 30 MHz. 1.5:1 ... for 30-300 MHz. 2:1 for 300-400 MHz. Ideal for testing HF ... and VHF rigs. Has SO-239 connector and vented for safety. ... Removable vent cap. Carrying handle. 7 1/2 inches high by 6 5/8 diameter. MFJ- ... 250, $59.95. Includes transformer oil (no ... PCB). Ship Code D. Dry 1.5 kW UHF/VHF/HF Load This is ham radios ... does it all works with all radios from 160 Meters through 650 MHz and from QRP to ... the full 1500 watt legal limit. You get SWR below 1. ...

World Leader in Ham Radio Accessories 29 MFJ brings Pro Audio to ham radio! MFJ ... . MFJ adapted Pro Audios heart and soul to ham radio communications. The MFJ-655 ... you use other audio sources and a push-to-talk jack lets you use microphones without ... with very low noise and very low total harmonic distortion, typically .25%. ... and PTT jack. Plug in your headphones to hear your rigs received audio or plug ... MFJ, Heil or computer boom-mic headset to talk and hear. 8 Band Equalizer The MFJ ... speech frequencies into eight bands 50, 100, 200, 400, 800, 1600, 2400 and 3200 Hz. ... or decrease the gain of each band by 16 dB. For ragchewing, you can adjust for ... your entire audio chain from your voice to your microphone and through your radio ... smoothly attenuates low-level noise by reducing gain instead of abruptly cutting off ...

five natural sounding messages in a total of 75 seconds. EEPROM technology keeps ... messages stored for up to 100 years no battery backup needed. You can ... and vary the repeat delay from 3 to 500 seconds. Makes a great voice beacon ... or by your VOX PTT line. A closure to ground via remote control or computer ... messages. The MFJ-434B is transparent to your microphone your mics audio ... installed. Dual controls make it easy to tailor audio level to match your voice ... . All audio lines are RF filtered to eliminate RFI, audio feedback and ... . An audio isolation transformer totally eliminates hum and distortion caused by ... ground loops. Its easy to use just plug in your 8 pin microphone ... . Internal jumpers let you customize it to Kenwood, Icom, Yaesu, Alinco or Radio ...

hearing loss reduces our ability to understand speech. Heres why . . . ... speech intelligibility is contained in 1000 to 4000 Hz range, but contains a ... miniscule 4% of total speech energy. On the other hand, the ... low frequencies, 125 to 500 Hz have most of the speech energy ( ... 55%) but contribute very little to intelligibility only 4%. To ... dramatically improve your ability to understand speech, you must: First, ... octave ranges centered at 300, 600, 1200 and 2400 Hz. You can boost or cut each ... by nearly 20 dB. A balance control and separate 2 1/ ... 2 Watt amplifiers let you equalize ... perceived loudness to each ear so both ears help. By ... youll dramatically improve your ability to understand speech. QST for April, 2001 ... a dramatic improvement . . . Immune to RFI. Has phone jack, on/off speaker ...

, fluorescent lamps, light dimmers, touch controlled lamps, computers, TV birdies ... SSB, AM, CW, FM, frequences from BCB to lower VHF. Null out strong QRM on top ... local ham or AM broadcast station to prevent receiver from overloading. Use ... MFJ-1026 as an adjustable phasing network. You ... can combine two antennas to give you various directional patterns ... signal at a push of a button. Easy-to-use! Plugs between transmitting antenna and ... transceiver. To null, adjust amplitude and phase ... S-meter reading or lowest noise. To peak, push reverse button. Use built- ... you transmit. Adjustable delay time. 12 VDC or 110 VAC with MFJ-1312D, $14.95. ... Measures 6 X1 X6 inches. MFJ-1025, $159.95. Like MFJ-1026 less built-in active ...

. Greatly improves reception from 0.15 to 30 MHz, especially below 2 MHz. Tuner ... bypass/ground receiver positons. 2x3x4 in. 34 www.mfjenterprises.com MFJ ... where others have not. The MFJ-1020C has been completely redesigned with new ... noise and intermod, and is NOT prone to self-oscillations that can severely ... damage your receiver. With the MFJ-1020C tuned indoor active antenna youll rival ... . World Radio TV Handbook says MFJ-1020 is a fine value . . . fair price ... . . . best offering to date . . . performs very well indeed. ... with an external antenna. Covers 0.3 to 40 MHz including VLF, AM broadcast, all ... , Gain, On-Off/Bypass controls and SO-239 coax connectors. Use 9 volt battery, or ... 12 VDC or 110 VAC with MFJ-1312D, $14.95. 6Wx2Hx5D inches. Includes telescoping ...

MFJ SSB Adventure Radios MFJ-1762, $79.95. 3-element 6 Meter yagi ... over a half-wave dipole. 6 foot boom, 2 lbs. Can use TV rotator and mast. ... balun decouples feedline. Great front-to-back ratio. MFJ-1756, $79.95. ... /supporting structure radiation. 55-inch. strong aluminum radiator. MFJ-1736, $ ... 29.95. Hang this 6 Meter J-pole in the clear. ... Omni-directional full size 1/2 wave antenna with low angle radiation ... beats 1/4-waves. MFJ-1776, $39.95. Low SWR 6-Meter folded dipole. ... MFJ-1770A, $39.95. (10 Meters). MFJ-906, $79.95. 6 Meter ... lighted cross-needle meter (with MFJ-1312D, $14.95). 100 Watts FM, 200 Watts SSB ... -906, less meter (See Page 6). Mirage A-1015-G 150 watt ouutput 6-meter amplifier with ... receiver preamp. $389. Page 59. MFJ -290 dynamic handheld mic for all MFJ SSB ...

/8 Wave Ground Plane For an incredible $24.95, you get a 300 Watt 5/8 Wave ground ... plane 2 Meter home station antenna. Other 5/8 ... Look at all you get at an incredible $24.95! You get a 300 Watt 5/8 wave ground ... plane base antenna for 2 Meters that gives you the maximum ... for lowest possible SWR over entire 2 Meter band. Plus, it bleeds off ... power is achieved. Easy installation to any 1 to 1 1/2 inch mast, (not included ... durable finish actually bonds itself to aluminum molecules it wont come off ... TM one year limited warranty. Just $24.95 gets you the most incredible value in a ... planes cant work any better. MFJ-1750, $24.95. 2 Meter 5/8 Wave. MFJ-1752, $24 ... .95. 220 MHz 5/8 Wave. MFJ-1750 $24 95 Ship Code A Dual Band 144/440 Ground ...

Telescoping Fiberglass Mast Collapses to 3.8 feet . . . Weighs 3.3 lbs. Just ... pull out each section and twist to lock. It extends to a whopping 33 feet ... quarter wave on 40 Meters! It collapses to just 3.8 feet and weighs a light 3.3 ... portability. Bottom section is large 1 3/4-inch diameter. Super strong ... fiberglass flexes to resist breaking. Black resists UV. ... and get full size performance. Use to construct other types of antennas like ... center insulators that transforms 200 ohms to 50 ohms. Transmission Line ... Transformer construction using 100 ohm characteristic impedance ... transmission line gives flat 160- 10 Meter response. Large low permeability ... cores easily handle full power. SO-239, stainless steel hardware with direct 14 ...

55 A. 450 Ohm ladder line. Two 18 gauge solid copper covered steel. ... line and dipole antenna projects. MFJ-18H050, 50 Ft., $9.95. MFJ-18H100, 100 Ft., $ ... 16.95. MFJ-18H250, 250 Ft., $39.95. B. 300 Ohm TV twin-lead. ... Two 18 gauge stranded copper wire. Insulated ... and for most other low power uses. MFJ-18T050, 50 Ft., $12.95. MFJ-18T100, 100 Ft., $ ... 24.95. MFJ-18T250, 250 Ft., $59.95. C. Copper Antenna wire. ... Flexible, 7-strand, 14 gauge, hard solid-copper wire. Strong/ ... long-lasting. MFJ-18G100, 100 Ft., $11.95. MFJ-18G250, 250 Ft., $27.95. D. 3/32 ... /light. Ideal for wire/dipoles. MFJ-18D120, 120 Ft., $29.95. E. Wire Antenna ... . Black, UV resistant. MFJ-19A100, $7.95. 100 feet, 3/32 nylon rope. MFJ- ...

II For large medium antenna arrays up to 20 sq. ft. wind load. Available with ... DCU-1 Pathfinder digital control (T2XD) or ... control box, triple bearing race with 138 ball bearings for large load bearing ... scale on meter, low voltage control, 2 1/16 inch max. mast. AR-40 For compact ... antenna arrays and large FM/TV up to 3.0 square feet wind load area. Dual 12 ... . Fully automatic control just dial and touch for any desired location. Solid state, ... control, safe and silent operation. 2 1/16 inch max mast size. MSLD light duty ... . CD-45II For antenna arrays up to 8.5 sq. feet mounted inside tower or 5 ... adapter. Low temperature grease good to -30 F degrees. New Test/Calibrate ... function. Bell rotator design gives total weather protection, dual 58 ball ...

VHF Ground Planes Oscar Link 435 MHz 145.9 MHz VHF/UHF DX Beam Antennas Hy-Gains ... insulators and PTFE coaxial baluns. 2 Meter vertical with 5.2 dBi gain ... two collinear 5/8 waves fed in phase. 2 sets of 1/4 wave radials properly ... lower radiator from the mast. SO-239, handles 500 Watts. 9 ft. V-2R $109 95 ... Covers 138-175 MHz V-42R is independently tunable at ... 144 and 440 MHz. Fed through one coax cable ... , it has sets of 1/4 wave radials which properly decouple ... and 3 dBd gain on VHF. Type N, handles 200 Watts. 9 ft. V-42R $169 95 Covers 143 ... - 153, and 436- 455 MHz UB-7031DX $219 95 Covers 420-438 MHz UHF vertical ... with 5.2 dBi gain derived from double zepp ... . Type N, handles 500 Watts, 4 foot. 1 1/4 Meter vertical w/5.2 dBi gain, double ...

Vectronics Kits . . . Fun to Build and Use 71 Vectronics 300 Watt ... Tuner is compact, lightweight, easy-to-operate and is our most economical tuner. Its ... HF transceiver and is compact enough to fit the most compact car. It can also ... monitors power and SWR. Covers 18 to 30 MHz. Handles 300 Watts SSB PEP, 200 ... Watts continuous, (150 Watts on 1.8 MHz). Measures 7.25x8.75x3.6 inches. ... Weighs just 3.4 pounds. Vectronics 2 kW Roller Inductor Antenna Tuner The ... Vectronics HFT- 1500 Roller Inductor Tuner has three ... a gear driven 5digit counter. The HFT-1500 will tune ANY real antenna . . . ... ARC-FREE! You can tune your SWR down to the absolute minimum from 1.8 to 30 MHz ... MARS and the WARC bands. Handles 2 kW SSB PEP amplifier input power. The ...

-performance electronic kits . . . fun to build and use! Full featured CW Keyer ... (3-65 wpm) controls. Weight adjusts 25-75%. Sidetone (300 -1000Hz) has LM386 audio ... Mode battery saver. Use 9V battery. 1 3/4x4x 3 1/2 in. Simple skill level. ... Order VEC-201K, $24.95. Crystal radio set Kit lets you relive ... without soldering a thing and listen to the magic of radio that needs no power ... will come in amazingly loud and clear. 1 3/4x5x6 1/2 . Has antenna wire, ... earphone. Simple level. Order VEC-121K, $19.95. Aircraft Receiver Kit tunes ... entire voice aircraft band 118-136 MHz. Picks up air traffic 100 miles ... Traffic System really works. Great way to learn about aviation. Use 9V battery. ... Drives external speaker/phones. 1 3/4x4x3 1/2 in. Intermediate. VEC-131K ...

no tune solid state performance. $1299 includes Ameritrons no tune FET ... Amplifier and a 120/220 VAC, 50/60 Hz AC power supply for home ... 500 Watts CW with continuous coverage 1.5 to 22 MHz; 10/12 Meters with easy-to- ... install optional kit, $29.95 plus shipping. Must present FCC license ... prevents amplifier damage if you switch to the wrong band, use the wrong antenna ... . Output power is automatically reduced to prevent amplifier damage by controlling ... ALC to exciter. The ALS-600 is extremely ... . The ALS-600 is a compact 6x9 1/2x12 inches takes up less space than your rig! ... Weighs just 12 1/2 lbs. An illuminated Cross-Needle SWR/ ... barefoot , but you can instantly switch to full power if you need it. You get a ... , ALC, and SWR LED indicators. A 12 VDC output jack lets you power low ...

. Self-contained, connects externally to most HF amps. Handles 2.5 kW PEP, 2 kW ... times faster than vacuum relay. ARF-1000 RF Filter . . . $159 Use with ... harmonics. Frequency select switches to 1 of six different ranges, 1.5-30 MHz. ... above cut-off frequency. Handles 1 kW SSB input power, 600W CW or 400W ... RTTY. SWR less than 1.3:1 on all ham bands. SO-239 in/output. 5 1 ... /2Wx3 1/2Hx9 1/2D . ATP-100 AMP Tuning Pulser . . . $49 95 Pulse ... and best linearity. Keeps average power to low safe level to prevent overheating, ... and premature component failure. ATP-102, $59 95, similar, variable pulser and ... Bias System . . . $39 95 for AL-80A/82/1200/1500 Amps EBS-1, $39.95. EBS reduces ... heat by reducing quiescent current to low values during periods when exciter ...

quiet desktop linear. Its a compact 8 1/2Hx14Dx15 1/2 inches and plugs into ... your nearest 120 VAC outlet. Covers all bands 160-15 ... Meters, including WARC and MARS (10/12 Meters modifiable; FCC license required ... double your average SSB power for up to 6 dB improvement in intelligibility, ... -80B is its heavy duty power supply. A 26 pound transformer using a high silicone ... , heavy duty bleeders and ten 3 amp, 1000 volt power rectifiers give you a stiff ... 2700 volts fully loaded. Many amps using two ... separate fully-shielded RF compartment to minimize RFI and TVI. A whisper quiet ... the classic 3-500 tube compartment to remove heat for longest life. Tuned ... Transformer TM lets you optimize for 14 different primary line voltages. The ... high voltage secondary can be wired to reduce plate voltage for efficient ...