line between the transmitter and antenna or tuner. They are designed to allow ... High-pass filters install at the TV set antenna terminals and allow signals above the ... a 2 meter, 220 or 440 MHz rig and antenna to reduce strength of out-of-band ... beeps and strange voices from a UHF or VHF radio caused by intermodulation from ... desired signals even in crowded, urban centers. 2M/220 MHz uses four helical resonators ... -75T FERRITE RFI KITS The ARRL RFI Book Loads of information for practical ...
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39.99 TV ANTENNAS TV-42 Amplified Clip- On Antenna ... dish and adds reception of all local VHF/UHF channels (2to 83) and FM broadcast ... providing more than one TV with DSS and VHF/UHF signals. Powered thru the cable by ... 49.99 ADVANTAGE External AM Antenna Passive, adjustable 530-1600 kHz AM ... antenna that improves reception over built-in ... then rotate tuning dial located at the center of the antenna to match the AM ... , connect directly to an external AM antenna input .......... $49.99 STEREO ANTENNAS ... TOWER AM-FM Tower Antenna Built-in amplifier with gain control ... and receivers with 75& or 300& FM antenna inputs. The AM connection consists of a ... 99.99 TV-55 Amplified Out/Indoor TV Antenna Uses a helical, coiled broadband single ... HDTV broadcasts. Receives both UHF and VHF frequencies from 54-806 MHz. Built-in ...
feedpoint impedance for comparing antennas and tuners for trouble shooting ... line calibrated power for determining antenna rf ammeters for tuning your antenna ... /xmtr/amp for maximum radiated your antenna can change mfj-836 when you apply power ... your feedline rf ammeter between your antenna point impedance may be drastically ... your swr analyzer measurements ure antenna feedline current in 3 calibrated mfj rf ... linear ranges use it for tuning your antenna tuner transmitter/amplifier for maximum ... 3 1 3 amps and barely perturb the antenna large 3-inch lighted meter use 12 vdc ... power for determining antenna feedpoint or 110 vac with mfj-1312d $15 ... .95 impedance for comparing antennas and so-239 connectors 6wx3½hx4½d inches ... maximum feedline current for any given antenna always gives maximfj-836 all-in-one rf ...
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so-239 connectors with gold plated center pins give superb performance to beyond ... /200/2000 watts mfj-882 $129.95 hf and vhf 1.8 to 200 mhz power range of 0-200 ... ranges 2/20/200 watts mfj-883 $149.95 vhf and uhf 125 to 525 mhz power range 0- ... 2/20/200 watts mfj-884 $169.95 hf/vhf and uhf 1.8 to 525 mhz power range 0- ... 2/20/200 watts has separate hf and vhf/uhf power sensors with so-239 ... meter for easy wide-angle mfj-844 vhf/uhf swr mobile power meter compact ... connectors for years of use compact hf/vhf and vhf/uhf swr wattmeter has huge 3 ... 150 watts mfj 3ghz 300 watt dry dummy load an n teflonr insulated connector is ... between your handship code a held and antenna reads swr up to 6:1 and power output to ... 2 meter handheld into a 50 ohm dummy load and check battery charge,too bnc ...
TM SWR/wattmeter Series MFJ Compact HF, VHF, UHF SWR/wattmeters This MFJ Cross- ... Needle SWR/wattmeter covers HF thru VHF -- 1.8-60 MHz, 144 MHz, and 440 MHz ... and features separate HF and VHF/UHF directional couplers, each with its ... . This lets you connect your HF and VHF/ UHF (1.8-60, 144, and 440 MHz bands) ... plug and unplug to use separate HF or VHF rigs. Power ranges: 30/300 watts ... . Compact 4 1/2x2 1/4x3 inches. VHF SWR Wattmeter plus Field Strength MFJ ... most popular and most affordable -- VHF SWR/Wattmeter. Has a built-in field ... . Has binding post for field strength antenna. Black. 4 1/2Wx2 1/4Hx3D inches. Econo ... in line between your handheld and antenna. Reads SWR up to 6:1 and power output to ... 2 Meter handheld into a 50 ohm dummy load and check battery charge,too. BNC ...
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. Use 9 Volt battery. Usable VLF to VHF. Gain adjustable over 50 dB range. MFJ ... to measure RF currents flowing in antenna elements, radials, ground wires and on ... how much signal is radiating from your antenna, feedline or ground wire. Study/optimize ... your antennas for peak performance. Find current ... peaks/ nulls on antennas/ feedlines. Plot current profile, ... measure and tweak current flow at each antenna element in phased arrays. Determine ... your antenna feedpoint impedance, radiated power, ... Analyzer as the source to drive your antennas. Less than 1 mA on super-sensitive ... accurately measures RF current in antenna elements, radials, ground wires, coax ... Coax In-Line RF Ammeter between your antenna and tuner/ transmitter/amplifier and ... measure antenna feedline current in 3 calibrated ranges ...
.): 10 Hz (CW/SSB), 100 Hz (AM/FM/WFM) Antenna Impedance: 50 Ohms, Unbalanced ... Ohms The FT-857, the worlds smallest HF/VHF/UHF Mobile transceiver, provides base ... is the world's smallest full-power HF/VHF/UHF multimode transceiver! Its rugged ... of today's crowdedbands! On VHF and UHF the verylow-noise MOS FET ... Use the IF SHIFT feature to vary the center frequency of the IF passband, so as to ... adjustment simultaneously varies the center frequency of the RX passband ( ... Level, ALC, Power Output, or SWR. Two Antenna Connectors Separate jacks for HF/50 ... lity The FT-857 is a VHF/UHF operator's dream come true! ... are found, they will be automatically loaded into a special Smart Search memory ... ADVANCED CONVENIENCE FEATURES FOR VHF/UHF OPERATION HIGH-RESOLUTION DOT- ... Hz Tone) Actual Size ULTRA-COMPACT HF/VHF/UHF 100 W* ALL-MODE TRANSCEIVER (HF/6 ...
TAILTWISTER SERIES II For large medium antenna arrays up to 20 sq. ft. wind load. ... race with 138 ball bearings for large load bearing strength, electric locking ... steel wedge brake, North or South center of rotation scale on meter, low voltage ... 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 ball bearing race. ... mast support included. CD-45II For antenna arrays up to 8.5 sq. feet mounted ... duty, trouble free gear train, North center scale, lighted directional indicator, 8 ... included. HDR-300A For king-sized antenna arrays up to 25 sq.ft. wind load area. ... steel output shaft, new North or South centered calibration, new ferrite beads on ... shaft keyway adds reliability. Self-centering steel clamp/hardware. Display accurate ...
