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  • Digital Communications

    A great number of exciting new digital operating modes have developed, largely because of the availability of personal computers, soundcards, and advanced software. But amateur digital communication began in earnest in the late 1940's (if you don't count Morse as a digital mode!) when hams worked out techniques of connecting mechanical Teletype keyboard/printers to amateur gear using FSK and AFSK modulation. WSJT has become a very popular tool for digital communications. FSK441 mode is in use for meteor scatter contacts and JT65 is popular for terrestrial communications.

  • EME Moonbounce

    Amateur radio (ham) operators utilize EME for two-way communications. EME presents significant challenges to amateur operators interested in working weak signal communications. Currently, EME provides the longest communications path any two stations on Earth can utilize for bi-directional communications. Amateur operations use VHF, UHF and microwave frequencies. All amateur frequency bands from 50 MHz to 47 GHz have been used successfully, but most EME communications are on the 2 meter, 70-centimeter, or 23-centimeter bands. Common modulation modes utilized by amateurs are continuous wave with Morse Code, digital (JT65) and when the link budgets allow, voice..

  • Aurora and Solar Weather

    The interaction between Earth's magnetic field and Solar particles is a complex and mysterious field of science. The storm events involve high electric currents in the ionosphere and vast amounts electric power affecting to great many things. One of the ways to observe what is happening up there, is to detect the effects of these phenomena to non ionizing long wave electromagnetic radiation - radio waves.

  • VHF Contesting and Rover Operations

    Hams have been putting stations in their cars since the Twenties (1920's that is). Today, there is great satisfaction in facing the challenge of installing a transceiver in our small cars and pick-ups, using somewhat inefficient antennas, and still being able to make contacts with hams thousands of miles away while "tooling" down the highway.

  • Annual Technical Conference

    Every year since 1968, during the last weekend in July, the Central States VHF Society hosts an annual technical conference. There are two days of technical presentations, antenna range gain measurements, noise figure measurements, a flea market, and often times a vendor area. It's a great time to learn about weak signal VHF communications and an excellent place to network and catch up with old friends.

**-Central States VHF Society

Exploring the World Above 50MHz since 1965

Life Member Information

Central States VHF Society Life Membership Information

At the 34th Annual CSVHFS Conference in Winnipeg, Manitoba, Canada, the Board of Directors made "Life Memberships"available. Life Membership offers five benefits to the Life Member:

    1. No further annual membership fees for life.
    2. Guaranteed mailing of conference announcements even after a few years of missing conferences. This assumes you keep the society updated on your current address.
    3. Nametag with name, call, and CSVHF logo with "Life Member" added.
    4. Certificate recognizing your support for the future of the Central States VHF Society.

    5. The pride and privilege of being a Life Member and supporter of the Central States VHF Society's future.

The fee required for Life Membership has been set at 25 times the current annual membership fee. Since the annual fee is $5.00, Life Memberships are now available for $125.00 payable to the Central States VHF Society and mailed to:

      Bruce Richardson, W9FZ


      7623 Teal Bay


      Woodbury, MN  55125


Contact W9FZ if you have further questions.

Be a Life Member of the CSVHFS - sign up today.