Jim W6LG YouTube Elmer shows how to measure insertion loss on a box he built with a relay inside to select one of two linear amplifiers. He uses a NanoVNA to measure the insertion loss in an interesting way.
target=”_blank” href=”https://qrznow.com/category/ham-radio-antena/”>Antenna
target=”_blank” href=”https://qrznow.com/20m-vertical-dipole-amazing-performance-t2lt-design/”>20M Vertical Dipole – Amazing Performance – T2LT Design
Here we take a look at building a simple 20M Vertical Dipole purely from RG58 Coax. target=”_blank” href=”https://qrznow.com/20m-vertical-dipole-amazing-performance-t2lt-design/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/the-cha-td-2-0-is-a-broadband-hf-antenna/”>The CHA TD 2.0 is a broadband (HF) Antenna
The CHA TD 2.0 is a broadband High Frequency (HF) antenna specially designed for short to long range portable and man-pack HF communication,… target=”_blank” href=”https://qrznow.com/the-cha-td-2-0-is-a-broadband-hf-antenna/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/j-pole-revolution-kb9vbr-antennas/”>J-POLE REVOLUTION: KB9VBR ANTENNAS
J-POLE When Michael Martens, callsign KB9VBR, set out to make his first J-pole in 2001, his drive was purely utilitarian–the local ham club was settin… target=”_blank” href=”https://qrznow.com/j-pole-revolution-kb9vbr-antennas/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/loop-fed-array-yagi-g0ksc/”>The Loop Fed Array Yagi by G0KSC
2014 Dayton Hamvention Antenna Check this great Article by G0KSC in .pdf File: DaytonHamvention-V2.2 Alternative Link We Recomend Visit: … target=”_blank” href=”https://qrznow.com/loop-fed-array-yagi-g0ksc/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/gb-hf-quad-3elm-3band/”>GB HF Quad 3 el / 3 band
Details GB HF Quad 3elm 3band 10-15-20m Turning:3,80m (12,4ft) Boom:5,50m (18ft) Fiberglass rod:4,00m Gain:9db F/B:20/25db F/S:20/30db VSWR:1:1:1 on R… target=”_blank” href=”https://qrznow.com/gb-hf-quad-3elm-3band/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/butternut-hf5b-5-band-butterfly-beam-antenna/”>Butternut HF5B 5-Band Butterfly Beam Antenna
Butternut HF5B 5-Band Butterfly Beam Antenna Five popular HF bands 20, 17, 15, 12 and 10 meters in a rotatable, two element beam? No Lossy trap… target=”_blank” href=”https://qrznow.com/butternut-hf5b-5-band-butterfly-beam-antenna/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/antenna-launcher-the-air-boss-demonstration/”>ANTENNA LAUNCHER – THE AIR BOSS DEMONSTRATION
The AIR BOSS antenna launcher was designed to launch a light fishing line over trees in order to create temporary antenna for ham radio operators. Sin… target=”_blank” href=”https://qrznow.com/antenna-launcher-the-air-boss-demonstration/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/e-z-o-antenna/”>E-Z-O Antenna
A Successful Alternative to the Cubical Quad he revolutionary antenna you see pictured, the E-Z-O, was created by N8PPQ as the result of his efforts t… target=”_blank” href=”https://qrznow.com/e-z-o-antenna/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/category/review/”>Review
target=”_blank” href=”https://qrznow.com/the-rs-918-clone-of-a-clone-of-an-outstanding-open-source-sdr-transceiver-the-mchf/”>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… target=”_blank” href=”https://qrznow.com/the-rs-918-clone-of-a-clone-of-an-outstanding-open-source-sdr-transceiver-the-mchf/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/xiegu-g90-go-box-solar-generator-build-tutorial/”>Xiegu G90 Go Box/Solar Generator Build Tutorial
Xiegu G90 Go Box/Solar Generator Build Tutorial target=”_blank” href=”https://qrznow.com/xiegu-g90-go-box-solar-generator-build-tutorial/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/freedom-cannon-the-most-insane-ham-radio-antenna-launcher-ever-k6uda-radio/”>Freedom Cannon The Most Insane Ham Radio Antenna Launcher Ever | K6UDA Radio
target=”_blank” href=”https://qrznow.com/freedom-cannon-the-most-insane-ham-radio-antenna-launcher-ever-k6uda-radio/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/rtl-sdr-blog-l-band-patch-antenna-version-2-inmarsat-iridium-gps/”>RTL-SDR BLOG L-BAND Patch Antenna Version 2 – Inmarsat – Iridium – GPS
Here we take a look at the brand new L-Band Patch antenna from RTL-SDR Blog. This antenna is designed to work with Inmarsat, Iridium and GPS signals. target=”_blank” href=”https://qrznow.com/rtl-sdr-blog-l-band-patch-antenna-version-2-inmarsat-iridium-gps/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/why-you-should-not-buy-an-icom-ic-705-icom-ic-705-news/”>Why You Should NOT Buy an Icom IC-705! – Icom IC-705 News
Icom IC-705 target=”_blank” href=”https://qrznow.com/why-you-should-not-buy-an-icom-ic-705-icom-ic-705-news/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/the-xiegu-g90-gsoc-remote-head-controller-in-development/”>The Xiegu G90 (GSOC) remote head controller in development
Xiegu G90 (GSOC) remote head controller currently in development at the coding stage.. target=”_blank” href=”https://qrznow.com/the-xiegu-g90-gsoc-remote-head-controller-in-development/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/setting-up-a-buddipole-deluxe-kit-in-the-field/”>Setting up a Buddipole Deluxe Kit in the Field
DESCRIPTION The Buddipole Deluxe Package includes everything you need for setting up an efficient portable antenna solution anywhere in the world in… target=”_blank” href=”https://qrznow.com/setting-up-a-buddipole-deluxe-kit-in-the-field/” class=”read-more-link”>Read more
target=”_blank” href=”https://qrznow.com/yaesu-ft-818-unboxing-video/”>Yaesu FT-818 – Unboxing [ Video ]
The new FT-818 incorporates all the many basic and attractive features of the ever-popular FT-817ND while providing upgrades desired by many existing… target=”_blank” href=”https://qrznow.com/yaesu-ft-818-unboxing-video/” class=”read-more-link”>Read more
The post target=”_blank” href=”https://qrznow.com/insertion-loss-a-b-amplifier-relay-why-it-is-called-an-rca-phono-plug-jack/”>Insertion Loss, A/B Amplifier Relay, Why It Is Called An RCA Phono Plug/Jack, appeared first on target=”_blank” href=”https://qrznow.com/”>QRZ NOW – Ham Radio News.
