This is an educational presentation I gave on setting up a solar system for use with amateur radio. It goes into the components necessary and talks on how to select the right pieces for your solar project.
Antenna
Antenna Traps You Can Make – Simple Construction Project
Here is a simple construction project that you can carry out. Read more
![NVIS: Near Vertical Incidence Skywave [ PodCast ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/09/24180150-265x168-1.jpg?w=635&ssl=1)
NVIS: Near Vertical Incidence Skywave [ PodCast ]
Sometimes the best direction to send your signal is straight up! Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path… Read more
Antenna BEAM 11 elements 3 bands
11 BEAM antenna elements 3 bands Frequency [Frequency]: 28, 21, 14 MHz Number of elements [Number of elements]: 28 MHz – 5 el. 21 MHz – 3… Read more
Antenna MULTI BEAMING remote Controller by OK2ZAW & DM5XX
The MULTI BEAMING Open STACK controller by RemoteQTH.com is the black box designed to controll the stack match as the multibeaming switch. You can e… Read more
JK Mid-Tri-40 2 Elements on 40M / 3 Elements on 20M/ 4 Elements on 15M / 5 Elements on 10M / 26 Foot Boom
The JK Mid-Tri has been designed for Hams looking for a Mid level, cost effective but high quality Tribander antenna. This Tri-Bander’s… Read more
Review
How To Build An SWR / Relative Power Bridge – Part 1
I start building an SWR / Relative Power Bridge. This is a simple circuit. I show you how to wind the toroid coils. The circuit is based on Don Cantre… Read more
![“ Volt-Ohm Meters ” – The Doctor Will See You Now! [ ARRL Podcast ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/09/Digital-Multimeter-with-Battery-Testing-Feature-Amp-Volt-Ohm-Meter-Manual-ranging-Multitester-2f2adcba-5294-49ff-9920-ed2d5bf9f095_600-265x168-2.jpg?w=635&ssl=1)
“ Volt-Ohm Meters ” – The Doctor Will See You Now! [ ARRL Podcast ]
Volt-Ohm Meters These meters have been around for decades and remain one of most useful pieces of test equipment you can own. “Volt-Ohm Meters” is t… Read more
Review of Chameleon P-Loop Magnetic Antenna
CHA P-LOOP 2.07.0-29.7 MHz The CHA P-LOOP 2.0 was designed with portability, ease of use simplicity, ruggedness and high performance in mind. U… Read more
Review and Tutorial on Radioddity/Baofeng RD-5R DMR Dualbander
“Two Chinese companies, Radioddity and Baofeng, have teamed up to bring you the US$75 dual-band FM/DMR radio housed in the old UV-5R package. Th… Read more
Equipment
The new mAT-705 Auto ATU for the Icom IC-705
Specifically built for the new Icom IC-705, the mAT-705 is the latest compact and fully portable Micro-ATU owered by an internal 9V dry battery! The a… Read more
ORB Control Device, The Portable Online Remote Base Solution
Are you tired of using your keyboard or mouse for TX control? Enhance your remote experience; talk on a remote using your microphone with PTT or pound… Read more
Airspy Low Cost High Performance SDR – REVISION 2 RELEASED
Airspy The Airspy is a $200 USD software defined radio that has a frequency range between 24 – 1700 MHz, bandwidth of up to 10 MHz and a 12-bit ADC. W… Read more
![PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/09/icom_ic9700-265x168-1.jpg?w=635&ssl=1)
PRE-RELEASE INFORMATION – IC 9700 [ ENGLISH ]
IC 9700 – 144, 430/440, 1200 MHz ALL MODE TRANSCEIVER Read more
DB1NTO APRS Transceiver
DB1NTO APRS Transceiver After a few months of development, I can now imagine the presumably world’s smallest APRS transceiver. It is not only ab… Read more
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