ALL-MODE QRP TRANSCEIVER
for HF + 6m +4m
(12 Bands + General Coverage RX)
MADE IN EUROPE
(Coming Soon*)
Aerial-51’s new ALT-512
An improved version of the SKY-SDR transceiver.
New features and changes include:
- 4m Band
- 2.4 in. Color Display
- Improved receiver pre-amplifier
- 2 transistors in the transmitter PA (was 1)
- Output Power up to 10 W. (band-dependant and voltage-dependant)
- Waterfall in addition to the Pan-Adapter Bandscope
- 4 additional front-panel buttons
- User friendly front-panel adjustment of often used parameters (formerly embedded within the software menu)
- FULL TS-2000 command set implementation
- Built-in Sound Card; Digi Modes run using only one USB-2 cable connected to the PC. No additional hardware reqired.
*AVAILABILITY: Tentatively around Easter 2019
Antenna
IOio Antenna
Scheme nº1: Scheme of the IOio antenna “FM ham satellites can efficiently be worked in two ways, one of them sitting in our armchair with a comp... Read more
2 Meter Halo Antenna by Mike Fedler N6TWW
2 Meter Halo Antenna Project Background & Goals There are two previous versions of my loop antenna that were built before the antenna you see now.... Read more
Vertical Dipole Array by OH1TV
An easy to build antenna for seaside locations 17m and 15m versions were used at 9M0O DX-pedition in 2016 Some notes • Wire lengths R and D are... Read more
VHF
Alinco DJ-X81 0.1~1300MHz Seg TV voice · EWS receive corresponding receive
Base price (excluding tax): 36,800 yen ● reception frequency range: 0.100 ~ 252.895MHz / 255.100 ~ 261.895MHz 266.100 ~ 270.895MHz / 275.100 ~ 379.895... Read more
Portable Repeater Controller
This microprocessor-based Portable Repeater Controller was designed to quickly build a fully functional repeater ‘in the field’ in less th... Read more
New 60 MHz Beacon Now on the Air from Ireland
The first — and so far only — beacon on 60 MHz went on the air on December 16. The call sign is EI1KNH. In early 2018, the 60 MHz (5-meter) band was a... Read more
RFinder – The World Wide Repeater Directory now supports DMR-MARC WW Network!
RFinder and DMR-MARC.net has completed its integration… RFinder now has a regular feed of the DMR Repeater list (MOTOTRBO, a.k.a. TRBO) worldwid... Read more
News
Capture the MAGIC of Six Meters — eBook
Have you ever wondered about the “Magic” of Six Meters? After all, you’ve probably pressed the six meter button on your rig and failed to find any mag... Read more
Eastern Iowans Rely On Ham Radio When Severe Weather Strikes
A derecho with winds of 80 to 100 MPH struck eastern Iowa last August, disrupting power and telecommunications for some 400,000 residents. But, as... Read more
David A. Duncan, K7DUN, Wins the January 2021 QST Cover Plaque Award
The winning article for the January 2021 QST Cover Plaque award is “CW-ELMER – An Advanced Morse Code Learning System,” by David A... Read more
ISS SSTV 145.800 FM Jan 28-29
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
Review
Icom IC-705 with the mAT-705 Portable Tuner
“Today I operate the Icom IC-705 at my hunting lease as a portable radio with an End Fed Random Wire antenna from Nelson Antennas, and the mAT-7... Read more
How Your Radio’s Final Amp Class Affects Efficiency
An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A,... Read more
My Wife Bought More Radio Gear On Wish and Ali Express
My wife surprised me at the end of 2020 with a new random box of goodies from Wish and AliExpress. Today we unbox some of these ODD radios and radio a... Read more
FTdx10 vs IC-7300 Comparison
This week Jonathan compares the new Yaesu FTdx10 and the Icom IC-7300. What are your comments on either? Read more
![DXing and DXpeditions by K0IR [ Video ]](https://qrznow.com/wp-content/uploads/2015/01/I_love_DX-1-248x168.jpg)
