![Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/05/60357783_1261784310641760_5710649015670931456_n-610x380.png)
![Yaesu FTM-400DR [ Review ]](https://qrznow.com/wp-content/uploads/2019/05/FTM-400DR-high-power-digital-simulation-of-vehicular-intercom-double-display-dual-standby-FTM400DR-610x380.jpg)
MAIN FUNCTIONS 3072 Channels 1024 Contacts 255 Receiving Groups 250 Zones 16 Scan List Radio ID Radio TX Contacts Duan Band and Dual Display Radio Color Code Support Frequency Mode Program Key Digital Voice Encryption Emergency Alarm VOX Function Priority Channel Scan TX Designated Channel Low Battery Power Off One Touch Access / Talk Around […] Read more
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Yaesu FTDX-101D Announced features for incredible Yaesu FTdx-101D include: * Elite-Level 160 to 6 Meters 100 Watt Transceiver * Superb and astonishing close-in Dynamic Range Performance, even in crowded bands * Hybrid SDR Technology with Direct Sampling & NBW (narrow Bandwidth) SDR * 9 MHz IF Roofing Filter Produce Excellent Shape Factor * 400 MHz […] Read more
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“Listening Outside the Ham Bands” is the topic of the new (April 11) episode of the “ARRL The Doctor is In“ podcast. Listen…and learn! Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like! […] Read more
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SOTABeams Features Fully adjustable audio band-pass filtering instantly adjustable for voice, data and CW (b/w 50 Hz to 5 kHz) VIDEO State-of-the-art adaptive noise reduction 100 levels plus advanced control functions VIDEO Adaptive tone eliminator get rid of annoying carriers – but leave CW Age-related hearing loss correction using ISO 7029:2017 median hearing-loss curves for males or […] Read more
![Covering the Rules on Calling CQ [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/04/55492962_2213350308722602_7533613752353030144_n-610x380.jpg)
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The FAA-450 Antenna Analyzer is an open source project built from STM32-F7 Discovery board. This project originated from “EU1KY Antenna Analyzer V3”, which features with BIG COLOR TFT LCD, CAPACITIVE TOUCHSCREEN, HF/VHF(UHF) frequency coverage, built-in TDR function, and multiple scanning curves besides with SWR. These features may outperform many expensive antenna analyzers present on the […] Read more
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Questions from the General Amateur Radio exam pool part 22. A simple method for Decibel power calculations. Receivers. Read more
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![Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/05/60357783_1261784310641760_5710649015670931456_n-90x60.png)
![Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/05/60357783_1261784310641760_5710649015670931456_n-180x120.png)
![MB1 SDR HF/6M/VHF Transceiver, Expert Electronics [ Hamvention ]](https://qrznow.com/wp-content/uploads/2019/05/SUN-SDR2-90x60.jpg)
![MB1 SDR HF/6M/VHF Transceiver, Expert Electronics [ Hamvention ]](https://qrznow.com/wp-content/uploads/2019/05/SUN-SDR2-180x120.jpg)
