The RasHAWK team has used a Raspberry Pi as the basis for a networked RF sensor capable of supporting spectrum monitoring, signal intercept and direction finding (DF) operations.

Super Simple APRS Position Reporter. This project idea has been in response to the more hardware heavy Raspberry Pi projects that involve extra TNC hardware, additional sound cards, and custom cabling. This APRS position reporter is done using a Raspberry Pi B+, USB GPS receiver, Baofeng UV-5R, and a mono 3.5mm audio cable between the Pi and HT.

Since 2011, crkits offer radio kits that you cannot find on eBay or AliExpress. Includes HT-1A 20/40m Dual Band CW Transceiver Kit, D4D DSB Transceiver Kit for Digital Mode, R3500D ARDF Receiver, CW Transceiver Kit

RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators made with Javascript. This complex feddline loss calculator has already several line types paramenters for most common coaxial cables from Belden, Time LMR, Wireman and other common products. Result will give Matches loss, SWR loss, dB and Watts power loss.

Personal web site by N9SKN about portable QRP operations with pictures of several portable setups and antenna solutions.

An on-line coaxial cable attenuation and total power handling calculator, with a lot of cable properties already configured to give the Nominal Attenuation, Maximum Cable Assembly Insertion Loss, Average Power, Cable Vg anf Nominal Td

EU099 – The Minkies Islands DX Pedition. Les Minquiers Islands (eu099) are a group of islands and rocks, about 15 km (9.3 mi) south of Jersey and will be activated by ON5HC – ON7PQ – ON4KZ – ON5DZ – ON8A.

Article about isolation transformer construction to perform optimal impedance matching. Winding the FCP isolation transformer, includes interesting table for Winding Turns and Lengths and Core Configurations for T300 T200 T400 toroids

Blog post by Adrian M0NWK showing how to calculate the latitude and longitude at the centre of a Maidenhead locator using basic maths.

VK3MO, An inspiring Australian Amateur Radio operator

Hello, I’m glad that you stopped by. In this site you will find some information about myself and much more interresting Ham Radio stuff.

49th Annual LARC Swap & Shop, Sunday Feb. 17, 2019, 8a-12p, Civic Park Senior Center, 15218 Farmington Rd. Livonia MI 48154. K8UNS 145.350

The Maine QSO Party is designed to encourage Maine stations to expand their knowledge of DX propagation on the HF and MF bands, improve their operating skills, and improve station capability by creating a competition in which W/VE, and DX stations have the incentive to work Maine. The MEQP is Maine’s Premier International HF Contest.

A friendly group of amateur radio enthusiasts based in Mutsch St. Lavington NSW Australia