“Join us for a webinar on Feb 16, 2017 at 9:00 PM EST Register now! –
https://attendee.gotowebinar.com/register/7735767269616129539
JC N4IS covers the concepts and decisions to build your own WF low band high
performance receive antenna. Topics include:
1- What is a Waller Flag
2- Horizontal or vertical poles.
3- Common node noise, and detuning towers or TX antennas
4- Phasing lines and transformers
5- Feed lines and chokes
6- Preamplifiers, filter and R/T switches
7- How to measure pattern (polar plot)
8- How to test and evaluate results.
73
Ken K4ZW”
Videos
Equipment
Introducing the BP-307 High Capacity Li-Ion battery pack
Short overview of the BP-307, a new high capacity 7.2V / 3350mAh (typ.) Li-Ion battery pack designed for Icom’s latest range of IP, LTE radio and sele... Read more
Lab599 Discovery TX-500
Today i’m bringing you an update on a very exciting qrp ham radio from Lab599. It’s called the Discovery TX-500. The TX500 is a HF & 6... Read more
LDG Z-100PLUS/IC-705
Auto Ant Tuner with 2000 Memories Pkgd For IC-705 The Package is IC-705 Ready and Includes The Following: 8 Heavy Duty AA Batteries Icom IC-705 I... Read more
Introduction for Icom AH-705 Automatic Antenna Tuner
JH1CBX Masaco introduces AH-705 designed for IC-705. Descriptions ・Covers the 1.8 MHz to 50 MHz bands 30 m, 98.4 ft or longer antenna: 1.8 – 54 MHz, 7... Read more
How to use a manual antenna tuner – Ham Radio Q&A
“Antenna tuners are a vital, yet slightly misunderstood ham radio station accessory. In this video we talk about what an antenna tuner does and... Read more
Finger Morse CW Straight Key / Finger mounted PTT switch
The Finger Morse CW Straight Key is a very simple product that allows you to easily continue operating your Morse Code QRP Ham Radio while walking aro... Read more
![Nice presentation of Power Genius XL by Dan, N7HQ [ VIDEO ]](https://qrznow.com/wp-content/uploads/2021/03/160845523_819231712134810_4516260191051892817_o-190x122.jpg)
Nice presentation of Power Genius XL by Dan, N7HQ [ VIDEO ]
QSO Today Expo March 2021 – Dan N7HQ gives us an overview of the PGXL and its features. Read more
ACOM Company Tour. HF power amplifier production
ACOM Company Tour. HF power amplifier production – ACOM 1010, ACOM 1000, ACOM 700S, ACOM 1200S, ACOM 1010, ACOM 1500, ACOM 2100 and ACOM 2000A. Read more
TUNER GENIUS XL ANNOUNCEMENT
“FlexRadio and SkySat are pleased to announce the Tuner Genius XL. The Tuner Genius XL is designed to complement the FLEX-6000 series and the Po... Read more
New Firmware Icom Updates for the IC-705, IC-7300, IC-9700 to include Smoother FT8 Mode Operation
Icom will be releasing new firmware for our IC-705, IC-7300 and IC-9700 transceivers. The updates are planned to improve the user experience and incor... Read more
Review
Baofeng UV-9R Model Comparison and Power Testing
Today I compare and test 3 different models of the Baofeng UV9R. Read more
Metal Ham Shack – Issues and Improvements
Art, W9SOL, wants to know if his steel building will cause issues with his radio’s performance or improve its performance? Read more
Grounding and Bonding, Band Pass Filter and Field Day
On todays episode of Tuesdays with Tim, K3LR and Jeff, KB8ZWT we will discuss bonding and grounding and Band Pass Filters for Field Day! Read more
Unboxing the lab599 Discovery TX-500 QRP transceiver!
Unboxing the lab599 Discovery TX-500 QRP transceiver! Read more
RF Explorer EMF Licence Demo
This week Gary gives us an overview of the new RF Explorer Field Strength EMF Licence Add-On. We also demonstrate the RF Explorer WSUB1G+ Spectrum Ana... Read more
Noise Reduction Speakers
Oggie John Reardon, KD0RON, asks about noise reduction speakers. Read more
Finding and Fixing RFI
RFI (Radio Frequency Interference) has been a problem for Ham radio operators and SWL’s (Shortwave listeners) since the radio hobby began. Both from n... Read more
A Peek Inside The New Icom AH-705 Tuner
Unboxing the Icom AH-705 Compact Auto Tuner, one screw at a time. Read more
Woody Brem, K3YV, is the 2020 Bill Orr, W6SAI, Technical Writing Award Winner
The ARRL Foundation Board of Directors has selected Ellwood “Woody” Brem, K3YV, of Spring Mills, Pennsylvania, as the winner of the 2020 Bill Orr, W6S... Read more
Rigexpert Antenna Analyzers Comparison, Choosing The Right Analyzer For Your Ham Radio Antenna
“In this video is almost all the Rigexpert antenna analyzers, thanks to GigaParts.com for letting me borrow them all. I will be making some vide... Read more
![SteppIR DB42 Setup by JA5MHD [ Video ]](https://qrznow.com/wp-content/uploads/2015/03/11038403_10204139844031513_3998216779955717336_n-265x168.jpg)
