Damian, VA3CYC, is working on building a copper pipe VHF antenna, and wants to know how he should do the chokes? How many? Is one ferrite choke equal to another?
Antenna
“KBG” Short Dipole Antenna
Short Dipole Antenna No, it is not a KGB antenna, even though it’s overall length makes it a stealthy antenna: 1m8 for the… Read more
![Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF Antenna](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/05/408xmain-265x168-1.jpg?w=635&ssl=1)
Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF Antenna
Type number KA1-211X KA1-408X KA1-411X Gain table / size Frequency (MHz) 14-50 7-50 7-50 The total number of elements 11 Elements 8 Elements 11 Elemen… Read more
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas GP-15
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas provide good gain figures on the 6-meter, 2-meter, and 70-centimeter bands in a compact 7.9 foot p… Read more
Wideband Desktop Discone Antenna – 25 MHZ – 2000 MHz Coverage
“Here we take a look at the Skyscan Desktop antenna with a rated frequency range of between 25 Mhz up to 2 Ghz. We test the antenna indoor and o… Read more
Ultra-Portable Antenna Rotor System
Antenna Rotor Product Description INTRODUCTORY PRICE of $329.00 The Portable Rotation 12 Volt Ultra-Portable Rotor system, Model 12PR1A, has be… Read more
Review
Ham Radio vs CB
Ham Radio vs CB, Citizen’s Band Radio – Ham Radio compared to CB frequencies and modes – which ones is better? Today let’s tal… Read more
AmateurLogic 121: Hamfests from Huntsville to Tokyo
In this episode, we cover a few new products and fun at Huntsville Hamfest and Tokyo Hamfair. Read more
![Xiegu X5105 [ First Video´s]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/05/15977553_1934328260128796_9122523868845693855_n-1-265x168-1.jpg?w=635&ssl=1)
Xiegu X5105 [ First Video´s]
X5105 is a highly portable transceiver working at HF+6m band, with a built-in power output of 5W. Technical features: double-conversion superheterody… Read more
SunSDR2 PRO at SK3W in CQWW SSB
“How does the SunSDR2 PRO perform in a multi operator contest environment? We wanted to test the PRO in the toughest possible environment, a mul… Read more
Controlling the OM2000A+ from Tablet
The automatic linear amplifier OM2000A+ is designed for all short wave amateur bands from 1.8 to 29 MHz (including WARC bands) + 50 MHz and all modes…. Read more
Equipment
THE CHEETAH – 20Mhz to 512Mhz
THE CHEETAH is a rugged and compact tactical handheld radio that offers outstanding performance for portable missions. The radio offers continuous com… Read more
Remote Shack by MFJ RBC-212
Remote Shack RBC-212 is a remote base controller equipped with two link input ports. One radio control port and two multi-function ports each on the A… Read more
METROPWR FX775 – VECTOR POWER/SWR METER
METROPWR FX775, is a modern VECTOR POWER/SWR METER completely digital. It’s composed of a wattmeter and a power coupler for measurements up to 3/5kW. … Read more
ICOM IC-7300 analogue {analog} s-meter prototype testing
ICOM IC-7300 Features Frequency: 1.8～200MHz Power Range: 30/300/3000W Input Connector: N Female Cross needle SWR and Power indications in one meter un… Read more
Icom IC-7300 – PRE-RELEASE INFORMATION
High quality real-time spectrum scope Now, a serious spectrum scope is NOT a “privilege” of high-grade models. The high-resolution real-ti… Read more
The post To Choke or not to Choke? appeared first on QRZ NOW – Ham Radio News.