Impedance and Ham Radio Antennas Explained
In this video, we talk about antenna impedance, what it is and how it’s different from resistance. Antenna IS THIS THE ULTIMATE 2M CONTEST ARRAY?…
Cheap Ham Radio Handhelds Tested – Transmit & Receive
Cheap Ham Radio Handhelds Back to practical range testing. Today we have four popular ham radio handhelds that all sell under $100.00. Antenna Build your…
Progettare con i micro XMEGA
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TY5AF Benin. From DXNews.com
TY5AF will be on the air between 22 – 29. November 2022 by Finnish trio Tapani OH5BM, Pekka OH2TA and Timo OH5LLR., TY5AF Benin. From…
Updated CQ Contest Policy
“PLEASE NOTE: This updates and supersedes the policy discussion in the editorial of the September 2022 issue of CQ. Sometimes, deadlines are your friends; sometimes…
I Am From the FCC. May I See Some Identification Please? You Were Too Fast In The Phonetic Lane!
When do you have to Identify your station? Can you use phonetics? Do you have to say your callsign and location? Must you say your…
Soluzioni USB power per batterie LiPo – Seconda Parte
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YAESU FT-710 [ Video Japanese ]
YAESU FT-710 YAESU is excited to announce a new HF/50MHz 100W SDR Transceiver – FT-710 AESS.The new FT-710 AESS is estimated September 2022. The new…
Multitasking con Arduino
Con l’aumento della capacità di elaborazione della piattaforma open source Arduino e di altre schede basate su microcontrollore, incluse le funzionalità di clock più veloci…
VP5DX Caicos Islands Turks and Caicos Islands. From DXNews.com
VP5DX Team will be active from Caicos Island, IOTA NA – 002, Turks and Caicos Islands, 20 October – 2 November 2022., VP5DX Caicos Islands…
Radioddity GD-88 Dual Band Analog & Digital Handheld Transceiver
Radioddity GD-88 The GD-88 contains two independent VFOs that allow dual-band operation on VHF and UHF channels. With dual mode, the GD-88 allows a smooth…
Gli standard dei segnali video – Parte 3
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Soluzioni USB power per batterie LiPo – Prima Parte
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3B9KW Rodrigues Island. From DXNews.com
Kazu, M0CFW will be active as 3B9KW from Rodrigues Island, IOTA AF – 017, in CQ WW DX CW Contest, 26 – 27 November 2022.,…
Retevis RT9000D High Power Transceiver 4/2/1.25/70cm
Retevis RT9000D High power RT9000D mobile transceiver provides more longer transmission distance than other radios suitable for flat areas, such as countryside, plains, woods and…
EBV Elektronik è stata premiata da STMicroelectronics come “2021 Best Performing Distributor in EMEA”
EBV Elektronik, società del gruppo Avnet, è stata premiata da STMicroelectronics come “2021 Best Performing Distributor in EMEA”. EBV Elektronik: affidabilità e competenza EBV Elektronik,…
VQ9SC Diego Garcia Island. From DXNews.com
Steve, WB4GHY will be active Diego Garcia Island, IOTA AF – 006, 16 September – 16 November 2022, as VQ9SC., VQ9SC Diego Garcia Island. From…
Nuclear Power Plant Exercise Includes Amateur Radio Emergency Service
The Ohio Amateur Radio Emergency Service (ARES®) just completed a dry-run exercise for the Perry Nuclear Power Plant in Lake County, Ohio. ARRL Ohio Section…
SDR Control for Icom iPad version 1.0.17 released
Software Defined Radio Client for Icom Transceivers and your iPad SDR-Control is a full featured iPad App to operate your Icom Transceiver at home or…
La gestione digitale dell’alimentazione – Seconda Parte
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WID (Worked Independence Day)
LABRE presents a new AWARD. WID (Worked Independence Day) celebrates the 200th anniversary of the Independence of Brazil and is available to all worldwide amateur…
The Best Invisible Attic Antenna
The Best Invisible Attic Antenna Review Review of SDRplay SDRduo Two-Tuner SDR Radio May 19, 2018 No comments “SDRplay has done it again with an…
How Much Loss Does Messi & Paoloni Coax Really Have??
Comparing Messi & Paoloni Coax with “Regular” Coax. Who will win? Antenna The $4.00 Ham Radio Satellite Antenna April 26, 2015 No comments Ham…
WRC23 preparatory activities are intensifying
As WRC23 gets closer so the preparatory activities for all the agenda items are increasing in intensity. The most pressing for the amateur community is…
La manutenzione predittiva riduce gli sprechi energetici
In ambito industriale la manutenzione predittiva è una soluzione che si rivela preziosa per ridurre gli sprechi di energia. Tutti gli impianti produttivi sprecano energia…