Here we take a look and test the KN-990 SDR All mode HF Transceiver. This radio is well built and includes an IF DSP for great sounding audio.
KN-990 Features:
3.5 inch LCD, without touch fuction
Frequency range: Reception: 0.1~30MHztransmitting : Amateur shortwave band
Working mode: SSB/CW/AM/FM/DIGITAL
Receiving sensitivity: 0.2uV
Minimum frequency step: 10Hz
Working voltage: 12~15V
DCCurrent parameter: RX 0.4A
TX 4A @MaxWhole machine size: 160X80X220 (mm) [excluding protrusion]Transmitting power: rated 15 wattsModulation mode: all mode digital modulation and demodulation.Stray suppression system: more than 45dBcCarrier suppression: greater than or equal to 45dBcSelectivity: all mode bandwidth is continuously adjustable (minimum bandwidth adjustment step 10Hz).
Antenna
M2 LEO-Pack Antenna System
AMSAT-NA and M2 Antenna Systems LEO-Pack AMSAT-NA Member-Only Special PricingThe 436CP16 and 2MCP8A are light weight, circularly polarized antennas op... Read more
Magnetic Loop Antennas – ARRL The Doctor Will See You Now!
“Magnetic Loops” is the topic of the latest (July 28) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engine... Read more
Another Difficult Antenna Situation
Tim, W4FTP, asks how he can use some tall but skinny trees along the back of his property as part of his antenna system. We take a look, and your comm... Read more
Counterpoises and Transmission Line Mysteries
Ed, K6SDW, has a few questions for Dave. Concerning Transmission lines and Counterpoises? Watch to Learn More. Read more
Indoor SteppIR Yagis by AE9K
Indoor SteppIR Yagis by AE9K Read Full Article: SteepIr Antennas Web Site Read more
Review
SOAR: Satellite Optimized Amateur Radio
Satellite Optimized Amateur Radio SOAR: Satellite Optimized Amateur Radio. A radio that’s optimized for operating FM satellites. In this video,... Read more
Remote TX – HRO at Pacificon 2021
In this video from Pacificon 2021, Marcus Gilson, AK7MG talks about his product, Remote TX, a way of remotely operating your radio from anywhere in th... Read more
Elecraft K4 Ham Radio Transceiver – Hands On, FIRST LOOK!
The Elecraft K4 is the latest and greatest HF Ham Radio Transceiver from Elecraft and today I get to sit down in front of one and go through some menu... Read more
Good Grounding
Doug, K0YP, is grounding his station with a very over the top grounding supplies and set up and is asking for Dave’s feedback on his system. Read more
Equipment
AOR AR8200 -MK3 ( 500KHz to 3GHz )
Prepare to be astounded at the versatility and broad range of features found in the AOR AR8200 Mark III. Unparalleled frequency coverage, superb sensi... Read more
Icom IC-R9500 ( 0.005–3335MHz )
Wideband coverage The Icom IC-R9500 covers 0.005–3335MHz*1 in SSB, AM, FM, WFM, CW, FSK and P25*2modes. It is suitable for a wide variety of radio mon... Read more
The Foxx-3 Transceiver – 80m, 60m, 40m, 30m, 20m versions available
Connections are as follows: antenna via 50 ohm BNC, power via 2 pin 0.1″ header, headphones via 3.5mm mono or stereo jack plug or 2 pin h... Read more
Rotator Genius – 4O3A
Rotator Genius is a smart rotator controller that uses a magnetic sensor for reading azimuth. It can be controlled by a Windows or Android app. Motor... Read more
HAMlab 160-6 100W – SDR Transceiver
HAMlab 160-6 100W – SDR Transceiver Highlights SDR + measurement instruments rugged steel housing LDMOSFET 10W Linear amplifier (160M-6M) 1Gsps... Read more
News
iPortable Rack Systems | Ham Radio Rack Mounts
Take your Ham Radio Portable with iPortable. A look at these really cool rack mount units for HF/VHF/UHF Ham Radio. Portable Pro2 Equipment Rack Syste... Read more
The history of communicating with submarines underwater
“Nestled deep in the Chequamegon-Nicolet National Forest in Northwest Wisconsin is the small town of Clam Lake. Clam Lake is best known for the... Read more
K4BEN, announces the official beta of his Remote Radio Service
K4BEN, announces the official beta of his Remote Radio Service, DXRemote.net. It is a very simple concept: his enterprise-class, redundant n... Read more
New at ICOM Hamvention 2022!
ICOM Hamvention 2022! Take your contesting experience to the next level with the latest LDMOS power device with features supporting a SO2R operation i... Read more
AMSAT-UK announce the 2022 International Space Colloquium
AMSAT-UK is very happy to announce the 2022 AMSAT-UK International Space Colloquium will be held as part of the RSGB Convention on October 8-9 at the... Read more
