Software-defined radio (SDR) Software-defined radio (SDR) is a radiocommunication system where omponents that have been traditionally implemented in hardware (e.g. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a personal computer or embedded system. While the concept of SDR is not new, the rapidly evolving capabilities of digital electronics render practical many processes…
Amateur Radio
Amateur Radio related items.
Amateur Radio – APRS
Amateur Radio – APRS in holding pattern.
Amateur Radio
What is Amateur Radio? A teen in Oshawa makes friends over the airwaves with a ham in California. An aircraft engineer in Washington participates in an annual contest and exchanges call signs with hams in 100 countries during a single weekend. In Florida, volunteers pass health and welfare messages in the aftermath of a hurricane….
DMR in Durham Region Area
For updated DMR information, click here. The following DMR repeaters are available in the Durham Region area. BrandMeister Network VE3SBX – Ajax – 442.3625 – CC3 VE3LBN – Oshawa – 443.9875 – CC3 VA3WIK – Singhampton – 442.1875 – CC4 VE3NUS – Toronto – 444.2875 – CC1 TalkGroups 9 = Local/Region 91 = Worldwide 93…
Amateur Radio Training
Amateur Radio operators come from all walks of life. They are all ages, sexes, income levels and nationalities. Some prefer Morse code, voice communication on a hand-held radio, or data messages transmitted via satellite. Others like to build equipment themselves or to experiment with aerials. The hobby of Amateur Radio is varied and fun. Whatever…
Durham Radio Closes Business
RAC – We have received the sad news that Durham Radio Sales & Service Inc has decided to cease operations. A message on their website made the following announcement: “We regret to inform you that Durham Radio Sales & Service Inc., after nearly 25 years in the industry – closed its doors forever at 3:00 PM…
Revised Canadian Table of Frequency Allocations
Revised Canadian Table of Frequency Allocations now includes additional 15 kHz for 60 Metre Band with the same power limits as earlier allocated spot frequencies. RAC – In August 2017, the Department of Innovation, Science and Economic Development Canada (ISED) issued “Proposed Revisions to the Canadian Table of Frequency Allocations”. These proposed changes followed decisions made at the…
Distracted Driving in Ontario
[UPDATED] RAC – Distracted driving regulations continue to be an area of interest for many Canadian Radio Amateurs. These regulations are made and enforced by provincial governments and can vary considerably from province to province and over time. In Ontario, RAC Directors Allan Boyd, VE3AJB (Ontario North/East) and Phil McBride, VA3QR (Ontario South) have been…
HAM Radio Operators Still Have Role To Play
ANNE FARRIES – The people who keep communication lines open when disaster strikes are looking for new talent. That’s amateur radio clubs, and they’re increasingly filled by people above the age of 50, who would like to prepare the following generation to help in a crisis, says Mike Johnson, emergency management co-ordinator for Cumberland County. “We…