In this video we tune up the Sparkplug and CAHRtenna antennas. Two great antennas for getting out and playing Portable Ham Radio such as Parks on the Air, or Summits on the Air.
https://www.sparkpluggear.com/shop/p/sparkplug
Antenna
500 mW on 7 MHz with the Wadetenna
Testing the Wadetenna on 7 MHz SSB. Only 500 milliwatts was used instead of the usual 5 watts. Contacts up to about 500km, mostly to portable stations… Read more
10 Element Triple Monobander 80/40/20m – OptiBeam
OptiBeam OB804020 10 Element Triple Monobander 80/40/20m Bands 80 / 40 / 20 Gain (dBd) * 3,8 / 4,8 / 8,4 … Read more
Vertical Antenna 8 bands trapped (10-12-15-17-20-30-40-80m) with wire radials 1/4 lambda for each one band.
10-40m Full bands coverage. 80m about 120Kc/s RF chocke for electrostatic protection. 2 KW pep SO239 Technical specifications: Height: 11.3 m approxim… Read more
Baluns : What They Do And How They Do lt
By Roy lV. Lewallen I’ve always been a bit bothered by balunst since I was never sure what they are supposed to dot let alone hotv they… Read more
Review
![Amateur Radio Band Plan [ VIDEO ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2022/04/Band_Chart_Image_for_ARRL_Web-1-265x168-1.jpg?w=635&ssl=1)
Monitoring HF Aviation Voice Communications with your SDR Radio or a WebSDR
There is still plenty of activity on the HF Aeronautical bands. You can listen to civil and military aircraft every day with just some frugal hardware… Read more
![YAESU FTDX10 [ VIDEO ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2022/04/127933142_1316110978725336_3068618992769129607_n-265x168-1.jpg?w=635&ssl=1)
Universal Radio brings you the new Yaesu FT-891 HF transceiver
Amateur Radio Brochures HF/Satellite Transceivers and Amps FT-891 Brochure ( 1.76 MB ) Amateur Radio Manuals HF/Satellite Transceivers… Read more
Equipment
Automatic Semiconductor Analyser
Connect any way round to automatically identify and measure a wide range of semiconductor devices. The DCA55 will automatically identify the type of t… Read more
ES-4 Radio / Antenna Selector Switch between 3 radios and 5 antennas
ES-4 COMES AS A CONTROL UNIT AND A BASE (SWITCHING) UNIT THE BASE UNIT RECEIVES 12V POWER AND HAS ALL THE HEAVY COAXIAL CABLES CONNECTED TO IT. THER… Read more
MTR2005 – 30 MHz to 88 MHz
The LANDSEC 
ADALM-PLUTO: A NEW $149 TX CAPABLE SDR WITH 325 – 3800 MHZ RANGE, 12-BIT ADC AND 20 MHZ BANDWIDTH
The easy to use ADALM-PLUTO active learning module (PlutoSDR) helps introduce electrical engineering students to the fundamentals of software-defined… Read more
![Uniden SDS200 – Analog & Digital [ VIDEO ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2022/04/UNIDEN-SDS200-FRONT-rt-1-265x168-2.jpg?w=635&ssl=1)
Uniden SDS200 – Analog & Digital [ VIDEO ]
Overview Introducing the SDS200, Uniden’s latest and most advanced base/mobile digital trunking scanner. The SDS200 incorporates the latest True I/Q r… Read more
The post Tuning SparkPlug and CAHRtenna Antennas for POTA & SOTA appeared first on QRZ NOW – Ham Radio News.