Questions from the General Amateur Radio exam pool part 22. A simple method for Decibel power calculations. Receivers.
Antenna
A High Efficiency Extended Length Mobile Antenna
By W5JGV I originally wanted an antenna that would not hit everything overhead while driving, since it was to be installed on a van. I came up with an... Read more
6-160 Meter Alpha S9 Spun Fiberglass Antenna
Introduction: Acquired in 2014 by Alpha Antenna, the S9 Antennas have been completely improved and resigned. Years of perfecting the manufacturing pro... Read more
DX Engineering Coax Cable Stripping Tools DXE-UT-8213
DX Engineering Coax Cable Stripping Tools provide a new and easy way to prepare your 50 ohm coax cable for the installation of solder-type PL-2... Read more
Optibeam OB8-4M 8 Element 4 Band
The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. It is the first trapless Yagi for t... Read more
New Book: Receiving Antennas for the Radio Amateur is Now Shipping!
ncrease your station’s receive performance with new book Receiving Antennas for the Radio Amateur by ARRL author Eric P. Nichols, KL7AJ. Althou... Read more
VHF
PJ4VHF Listen D4C/B – Transatlantic Beacon reception on 144 MHz
A post on the D4C Facebook page says: On May 6, 2015 history was made on contact across the Atlantic on VHF bands on the W-E path: The new D4C... Read more
Baofeng UV-3R+ (Camo)
Description: UV-3R+ series two-way radios are the updated styles based on UV-3R by BAO FENG, it has multi-functions, such as dual band, dual display,... Read more
Introducing The Android HT
by Bob K0NR “Some exciting news wandered into my inbox this past week concerning a handheld radio driven by the Android operating system. The RF... Read more
BTECH UV-5X3 Handheld Tribander
BTECH UV-5X3 An Affordable Tribander HT Available Today! BaoFeng Tech announced today the release of the BTECH UV-5X3 The UV-5X3 is more than just a... Read more
New 23cm IARU Region 1 record claimed
Terry M0VRL reports that on 14 July 2017 he completed a QSO of 2,662km, from IO70PO to IL28FC, with Pedro EA8AVI in the Canary Islands that breaks the... Read more
Equipment
SunSDR2 DX – New 100 Watt SDR This Fall!
Exiting news from Expert Electronics! The introduction of the brand new SunSDR2 DX being planned for this fall. At Hamradio Friedrichshafen this weeke... Read more
The new Elecraft SP3 Speaker
Elecraft SP3 Speaker Peter Waters, G3OJV and Justin Johnson G0KSC are in the US in the lead up to Newark collecting information and products for a... Read more
DX Engineering UCGC-Z Universal Copper Grounding Clamps
DX Engineering Universal Copper Grounding Clamps DXE-UCGC-Z DX Engineering Universal Copper Grounding Clamps are custom designed to provide a ground r... Read more
4O3A – STATION GENIUS
Station Genius can control: 4 Square Antenna Systems Antennas Antenna Switches Band Pass Filters Beam Stacks Beverages Rotators RS-232 Devices Station... Read more
Elecraft KPA500 Compact 160-6 M Solid State Amplifier
500+ Watts in a compact package the size of the Elecraft K3. We are proud to introduce the KPA500: A 500-watt solid-state amp that inte... Read more
Review
NX-3000 Series lightbar and custom voice prompts | Kenwood Comms
The lightbar and custom voice prompts are shown in operation on the NX-3000 series heandheld walkie talkie radio, these features are a big advantage f... Read more
The RS-918 clone of a clone of an outstanding open source SDR transceiver, the mcHF
RS-918 10WATT HF SDR Transceiver RX:1.8-30MHz TX:All HAM HF BANDS,Full Modes: SSB(J3E),CW,AM(RX Only),,FM, FREE-DV Features: Spectrum Dynamic Waterf... Read more
