This is a must have with a motorized HF antenna, such as my Tarheel.
This is a video just showing what it does and how it works.
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#tarheel #screwdriver #mfj
AURSINC NanoVNA Vector Network Analyzer 10KHz -1.5GHz HW V3.5 HF VHF UHF Antenna Analyzer Measuring S Parameters, Voltage Standing Wave Ratio, Phase, Delay, Smith Chart with 2.8'' Touchscreen
$54.99 ($54.99 / 100 g) (as of October 2, 2023 23:32 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)This is a DIY product that provides perfect vector network measurement capabilities(no enclosure) The metal shield (no enclosure)for tiny vector network analyzer is designed to reduce the external interference and improve the measurement accuracy Des... read more
AURSINC NanoVNA-F V2 Vector Network Analyzer New Upgraded 50KHz-3GHz Antenna Analyzer HF VHF UHF VNA 4.3" with 5000mAh- Measuring S Parameters, Voltage Standing Wave Ratio, Phase, Delay, Smith Chart
$149.99 (as of October 2, 2023 23:32 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)2022 Upgraded Version: The NanoVNA-F V2 has been upgraded on the basis of NanoVNA-F to lastest Firmware 0.4.0, and the operation page is compatible with Nanovna-F. It can measure S-parameter, voltage standing wave ratio SWR, phase map, group delay, S... read more
AURSINC NanoVNA SAA-2N V2.2 Vector Network Analyzer 50KHz-3GHz HF VHF UHF Antenna Analyzer Measuring S Parameters, Duplexer, Voltage Standing Wave Ratio, Phase, Delay
6% Off✔️Upgraded Version: Not only testing standing wave impedance of the antenna, can also debug the duplexer, the insertion loss of the filter, the isolation and testing the attenuation of the cable, shorten the coefficient, the phase, the amplification ... read more
NanoVna SAA-2N VNA Antenna Analyzer,SEESII 50KHz -3GHz Vector Network Analyzer with Bag & Testboard Kit,4" inch LCD,HF VHF UHF Measuring S Parameters, Voltage Standing Wave Ratio Smith Chart
$149.99 (as of October 3, 2023 02:30 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【Upgraded NanoVNA SAA-2N V2.2 Version】Not only testing standing wave impedance of the antenna, can also debug the duplexer, the insertion loss of the filter, the isolation and testing the attenuation of the cable, shorten the coefficient, the phase, ... read more
Upgraded NanoVNA-H4 Vector Network Analyzer, SeeSii Latest V4.3/4.2 10KHz-1.5GHz HF VHF UHF 4" Touch Screen Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart
$98.85 (as of October 2, 2023 23:32 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)😊【2022 UPGRADED NANOVNA ANALYZER】: SeeSii Nanovna-h4 Vector Network Analyzer is developed by Hugen. With latest 4.3 version,10KHz-1.5GHz measure range,4.0 inch LCD touchscreen,mini and portable design.This Antenna Analyzer is provides outstanding vec... read more
BUTURE 5000A Car Battery Jump Starter (All Gas/10L Diesel) Smart Portable Car Jump Starter Battery Pack, 12V Safe Jump Box Car Jumper Starter with Extended Jumper Cables, Fast Charge, 160W DC, Lights
43% Off【START COMPLETELY DEAD BATTERIES】Powerful and safe to instantly start your completely dead or low-voltage car battery. 5000A cranking current car jump starter especially for all gas/10.0L diesel engines even at -4~140℉. With about 24-month standby ti... read more
12000mAh Emergency Radio,Multi-Function AM/FM/NOAA Weather Radio,2 Solar Panels,Hand Crank,USB Cable 3 Charging Methods,SOS Alarm,Flashlight,Phone Charger,Compass,Reading Lamp (Grey)
12% Off【12000MAH SUPER CAPACITY BATTERY & 3 CHARGING MODES】 With a built-in 12,000mAh battery, the radio is capable of providing emergency power to any small tablet or other device such as a phone. With 3 charging modes: Type-C charging, solar charging, and... read more
DreamSky AM FM Portable Radio Plug in Wall or Battery Operated for Home & Outdoor, Strong Reception, Large Dial Easy to Use, Transistor Antenna, Headphone Jack, Small Gifts for Seniors Elderly
26% OffRadios Portable AM/FM Easy to Operate: A digital manufacturer always squeezes mind to provide customers an item with more functions, ignoring why invented it originally. Sometimes what you need is to sit aside a simple small radio and tune into your ... read more
NEXPEAK 10-Amp Smart Fully Automatic Battery Charger, 12V and 24V, Maintainer Trickle Charger w/Temperature Compensation for Car Truck Motorcycle Lawn Mower Boat Marine Lead Acid Batteries
17% Off【10-AMP QUICK CHARGER】12V 10-Amp and 24V 5-Amp 7-stage quick battery charger, charging speed is much faster than 8-Amp or 5-Amp automatic chargers. Charge or repair all 12-volt and 24volt lead-acid automotive, marine and deep-cycle batteries includin... read more
10000mAh Emergency Hand Crank Radio,AM FM NOAA Weather Alert Radio, Digital Display,3 Ways Powered Hand Crank,Solar Radio with Type-C Charger,Flashlight,Reading Lamp,Headphone Jack,SOS Alarm
$42.99 (as of October 2, 2023 11:12 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)𝗘𝗺𝗲𝗿𝗴𝗲𝗻𝗰𝘆 𝗖𝗲𝗹𝗹𝗽𝗵𝗼𝗻𝗲 𝗖𝗵𝗮𝗿𝗴𝗲𝗿&SOS Alarm-The noaa weather radio can receive AM/FM/WB signal.Emergency radio keeps you well-prepared Great reception and comes with a telescopic antenna up to 21 inches long that provides highly sensitive reception.Great 𝗲... read more
DreamSky AM FM Portable Radio Plug in Wall or Battery Operated for Home & Outdoor, Strong Reception, Large Dial Easy to Use, Transistor Antenna, Headphone Jack, Small Gifts for Seniors Elderly
28% OffRadios Portable AM/FM Easy to Operate: A digital manufacturer always squeezes mind to provide customers an item with more functions, ignoring why invented it originally. Sometimes what you need is to sit aside a simple small radio and tune into your ... read more
6Pcs Battery Terminal Cover, Battery Terminal Protector, Car Insulating Battery Cover, Soft Rubber Positive and Negative Poles Stud Covers Connector Top Post Cap for Car Motorcycle Truck (Red/Black)
$8.99 (as of October 3, 2023 02:15 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【Practical Functions】 The battery terminal protector comes in red and black colors. It is easy to distinguish the positive and negative terminals When using it. The battery cover can reduce the contact between the connector top post and the air, prev... read more
Emergency Hand Crank Radio with 4000mAh Phone Charger, AM/FM/NOAA Portable Weather Radio with SOS Alarm,LED Flashlight,USB Charged & Solar Power for Emergency, Camping (2023 Newest)
7% Off4000mAh PHONE CHARGER - The built-in battery of this emergency crank radio is upgraded to a large capacity of 4000mAh, allowing users to have enough power to charge their phones or other devices in case of emergency and stay connected to the outside ... read more