Gqrx 2.13 is out!

Gqrx SDR 2.13

argilo released this 15 hours ago

Stereo option for UDP streaming.
Script to generate AppImage.
Allow scroll wheel direction to be inverted.
Fixed FM de-emphasis causing audio to be 20 dB quieter than it should be.
Fixed FM de-emphasis applied incorrectly in WFM stereo receiver.
Update waterfall time resolution when FFT settings are changed.
Update waterfall time resolution when window is resized.
Restore waterfall time span between sessions.
Fixed FFT buffer overlap calculation.
Fixed crash when launching without device connected.
Fixed crash when setting invalid RF gains.
Fixed audio panadapter / waterfall slider direction.
Clear FFT averages when changing FFT size.
Fixed crash when source block doesn’t support IQ balancing.
Fixed bookmark labels in FFT draw over each other.
Improved DSP and FFT performance.
Improved panadapter & waterfall performance.
Smooth panadapter & waterfall redrawing.
Better default values for various settings.
Audio waterfall colormap matches I/Q waterfall.
Use all available display space for panadapter & waterfall.
Updated RDS decoder.
More Airspy HF+ sample rates added.
See More : Here

Antenna

MAGNETIC LOOP 40M – 10M Built by 2E0ERO

April 29, 2021 No comments

Here we take a look at the principles of a transmitting magnetic loop and then test a magnetic loop built by 2E0ERO. Read more

New complete HF Portable QRP Station on the Palm of the Hand

January 23, 2020 No comments

Ver essa foto no Instagram January 19 / 2020 – New complete HF Portable QRP Station on the Palm of the Hand – Yesterday Sund... Read more

G8JNJ Broadband HF Vertical Antenna

January 05, 2015 No comments

G8JNJ Broadband HF Vertical Antenna – Requires no tuner The following notes show the design and construction of a Broadband HF Vertical antenna... Read more

HexBeam SP7IDX Technology assembly

April 15, 2020 No comments

MQ-1 TGM 3-Band 2-element Hybrid Quad Antenna – 10,15,20 Meters

September 15, 2015 No comments

Hybrid Quad Antenna Electrical Specifications Operating Bands- 10,15,20 Meters Forward Gain (Ref. Dipole)- 10M-6.0 dBd., 15M-5.5 dBd., 20M-4.4 dBd. SW... Read more

Review

Knot for Coax Strain Relief

August 30, 2019 No comments

“Here’s a handy knot you can use to tie to coax to allow strain relief at coax connections on your antennas. I saw this in QST some time a... Read more

External Speakers is the topic of the new (November 8) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!

November 08, 2018 No comments

External Speakers Would you benefit by adding an external speaker to your radio? The answers may surprise you. Read more

Clean up your shack – RSGB Convention lecture 2015 [ Video ]

February 09, 2017 No comments

Ian White, GM3SEK gives helpful advice about how to reduce noise levels on receive and avoid causing RF Interference. Read more

Icom ID-51E PLUS2 Unboxing

April 26, 2017 No comments

The D-STAR Evolution continues with the ID-51A PLUS2! Over the years, Icom has taken the D-STAR protocol to new levels with each generation of portabl... Read more

SunSDR2 Pro, Expert Electronics FULL SDR Review/Demo, HF/6M/VHF

September 08, 2021 No comments

Checking out the SunSDR2 Pro by Expert Electronics, a full DUC/DDC HF/VHF software defined radio that will please even the most demanding ham radio op... Read more

Equipment

Works with Flex Radio

December 15, 2018 No comments

Applications that work seamlessly with your Flex Radio. Any comments can be sent to the Flex Community FlexRadio Mestro Flexradio Power Amp. 1.5KW Read more

Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier

September 29, 2021 No comments

Today we take a look at the Xiegu XPA125B QRP Amplifier and Auto Tuner hooked up to the Icom IC-705. This amp will work with a variety of QRP rigs inc... Read more

LimeSDR Mini

September 14, 2017 No comments

An open, full-duplex, USB stick radio for femtocells and more The LimeSDR Mini development board is a hardware platform for developing and prototyping... Read more

BLA 1000 1KW HF amplifier – RM Italy

April 13, 2016 No comments

RM Italy • Instant use without setup • over 1000 Watts Key-down Output • Instant Bandswitching, no tuning, no warm-up, SWR protected, • Quiet Variable... Read more

The Foxx-3 Transceiver – 80m, 60m, 40m, 30m, 20m versions available

September 04, 2015 No comments

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

News

Amateur Radio Operators Continue Response to Ian

September 29, 2022 No comments

As Hurricane Ian, now a tropical storm, makes its way across Florida, amateur radio operators continue to provide communications support for weather u... Read more

Hurricane Watch Net Update for Ian

September 29, 2022 No comments

The Hurricane Watch Net (HWN) has been in operation since the morning of September 27, 2022, as Hurricane Ian swept across Cuba and headed toward Flor... Read more

FCC Grants an ARRL Emergency Request to Permit Higher Data Rate Transmissions for Hurricane Relief Communications

September 28, 2022 No comments

The Federal Communications Commission (FCC) has granted an ARRL emergency request for a 60-day temporary waiver intended to facilitate amate... Read more