Questions from the General Amateur Radio exam pool part 22. A simple method for Decibel power calculations. Receivers.
Antenna
10 $ WIFI 16dBi Super Antenna Pictorial
“In this pictorial I’m showing you how to make a 16dBi very powerful wifi antenna for under 10 dollars. I’ve already posted a movie... Read more
VK5SFA Wins the April QST Cover Plaque Award
The winning article for the April 2019 QST Cover Plaque award is “A High-Power 160- and 80-Meter Transmitting Loop Antenna” by Steve Adler, VK5SFA. Th... Read more
JVP Antennas back to the market!
JVP Antenas was born in 1982 by José Vasallo Paleologo LU1FJ, former LU5FHM with the idea of manufacturing high performance antennas for amateur rad... Read more
Broadband K4KIO Hex-Beam
“KIO Broadband Hexagonal Beam Antenna This two element, five band, directional antenna installation was accomplished in the following phases: 1... Read more
X700HNA Dual band Base / Repeater Antenna
Special Features: • Fiberglass radomes • Overlapping outer shells for added strength • Strong waterproof joint couplings • Stainless steel har... Read more
VHF
New UHF ISS Digipeater!
“Recently, the old VHF Ericsson handheld used for the digipeater on the ISS died and it was replaced with an equivalent UHF one. This is my firs... Read more
Zastone ZT-2R BC/SW/VHF/UHF
Zastone Newest Mini Multi-Band Two Way Radio ZT-2R+ BC/SW/VHF/UHF band and Air Band All Included ZT-2R plus Zastone ZT-2R is a Yaesu VX-... Read more
AnyTone AT-588 VHF
AnyTone AT-588 A really good little 2m mobile at a great price, the AT588 packs a punch too with its adjustable power output up to 60 watts. Output Po... Read more
Anytone AT-3318UV-A VHF and UHF
Anytone AT-3318UV-A Features: 5 Watts VHF 4 Watts UHF RX & TX 136-174 MHz & 400-520 MHz Can operate VFO mode & Channel mode at the same t... Read more
Baofeng UV9R Plus Waterproof – Dual Band FM VHF UHF
Baofeng UV9R Plus Ip67 Waterproof Walkie Talkie 15W VHF UHF Dual Band Handheld Two Way Radio Waterproof FM Protable Digital Transceiver Baofeng Produ... Read more
Equipment
Loudspeakers for Ham Radio – ICQ Podcast Episode 275
“In this episode, Martin M1MRB is joined by Chris Howard M0TCH, Dan Romanchik KB6NU, Martin Rothwell M0SGL, and Frank Howell K4FMH to discuss th... Read more
DSP Noise Cancelling Speakers
NOISE CANCELLING SPEAKERS The bhi DESKTOP 10 watt DSP noise cancelling base station speaker will work with most radios, transceivers, receivers, and S... Read more
GHD Keys by JA7GHD
GHD Keys , made by Toshihiko Ujiie (JA7GHD) in Sendai City, are beautiful, practical, and innovative. The “D” models use optical sensors i... Read more
SP30B Audiophile
The Palstar SP30B audiophile speaker is a custom-engineered communications radio speaker. To truly enjoy the radio listening experience, you need a hi... Read more
QRPGuys K8TND Regenerative Receiver – $40
“How better to explore the world of shortwave listening than with a regenerative receiver. The QRPGuys K8TND Regenerative Receiver covers the 60... Read more
Review
WA9ZCO Wins the February QST Cover Plaque Award
The winning article for the February 2020 QST Cover Plaque award is “CW Combo Key” by Marc Alan Winzenried, WA9ZCO. The QST Cover Plaque Award —... Read more
Rod, K8RR walks you through the set up and features of the Yaesu FTdx-101MP
Yaesu FTdx-101MP HF+50 MHz 200W Transceiver Radio enthusiasts know the iconic model number “101” which comes from the legendary and best-selling FT-10... Read more
ZUMSpot RPi PiStar Hotspot Review
The ZUMspot RPi is an advanced radio module board. Paired with a Raspberry Pi and the MMDVM software becomes a small and efficient multi-mode digital... Read more
