Thirteen years of progressive experience as Telecommunication Technician with UNHCR. Main area of interest are Designing and implementing, IT, VHF/HF (Motorola & Icom), Access Control/RFID, Microwave ...

kv4p HT is an open-source hardware VHF or UHF radio designed to plug into the USB-C port of an Android smartphone and turn it into a handheld ham radio transceiver. It’s based on an ESP32 wireless ...

Telenor subsidiary KNL's Cognitive Networked High Frequency (CNHF) manpack radios ordered by the Finnish Defence Forces (FDF) and the Swedish Defence Materiel Administration (FMV) are designed for ...

Arduino Nano based portable SWR/POWER meter, which can measure SWR and POWER on HF bands from 10-100 mW up to 110W. It is based on popular design with tandem match on binocular toroids and calibrated ...

On July 22, 2025, Radio World republished one of my articles from October 25, 2011. The title was, “Rebuild That Relic of an AM Transmitter.” The idea of the article is to keep an old tube-type AM ...

Abstract: A fully integrated HF multi-standard RFID transceiver for compact mobile terminals is proposed. Considerations for multi-standard are concerned in each part of the proposed transceiver and ...

Nigerian Airspace Management Agency, NAMA, has concluded plans to transition to the Rohde & Schwarz High-Frequency, HF, transceiver. This development, NAMA stated, was part of an ongoing effort to ...

GREAT FALLS — About 31 miles away from Great Falls stands Highwood Baldy, home to a giant transceiver capable of connecting people over 100 miles away. If you’ve ever wanted to learn how to use that ...

Rotary WARC Band (30, 17, 12m) dipole antenna. Constructed using alu tubes and utlizing common feed point method for all bands ...

When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen a lot of simple low-power receivers using a single transistor, and a fair ...