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    • Events Archive >
      • Previous Events >
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        • 2022 SFRC Holiday Social
        • 2022 June Field Day
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        • 2022 Kaiser Half Marathon
        • 2021 Events
        • W6P SFRC Special Event
        • 2020 Winter Field Day
        • Boats On The Air!
        • SFRC FIELD DAY 2021!
        • 2021 SF Marathon
        • 2019 SF Marathon
        • 2019 Field Day
        • 2019 Kaiser Half Marathon
        • 2019 SOTA Activation
        • 2019 2M FM QSO Party
        • 2018 SOTA Activation
        • 2018 Holiday Party
        • 2017 Holiday Party
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        • Virgin SF Bay Half Registration
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San Francisco Radio Club

2 Meter Critical Mass

2MCM

We want everyone to stay safe.
Please stay home if you aren’t feeling well, have flu-like symptoms, or have had a positive COVID test result in the last 14 days. 

​Bring your freshly charged 2M radio, your user manual, a clipboard (and pens or pencils), and a filled water bottle.
  • What:  2 Meter Critical Mass Radio Practice
  • Where: Northwest Corner of Spreckels Lake (Near Fulton and Spreckels Lake Drive
  • When: 10:00 AM to 12:00 AM Second Saturday of every month
Please program your radios in advance; here are the frequencies we’ll use.
  1. Channel Alpha  146.475 Pl 100
  2. Channel Bravo  147.585 PL 100
  3. Channel Charlie 146.445 PL 100
You are all set if you have the NERT Band Plan on your radio.
Signup for our monthly notifications: https://eepurl.com/hKg3zn

Location

NW Corner of Spreckels Lake
​Golden Gate Park
San Francisco, CA
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How it Started – The 2 Meter Critical Mass Amateur Radio Practice

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(First written by AA6SF - SK - April 24, 2012)
Way back in early 2010, I was sitting at home looking at my HT radio that hadn’t needed charging in some time. Since I got my license in January 2009 (Technician & call sign KI6NYQ), I had taken all the HCT (Ham Communication Team) classes offered by SF NERT and many emcomm classes offered by Santa Clara County ARES/RACES, even participated in their drills, volunteered as a radio operator for Bay to Breakers, SF Marathon, SF Nike Marathon, joined SF ACS; but I still did not feel like I knew that much about my radio and emergency communications and needed more radio practice opportunities.
I came to the realization that here in San Francisco there were few opportunities to learn more about my radio, simple UHF/VHF radio communications and few opportunities to practice using my dual band HT.
I decided to start a radio practice group. I thought I would gather together other ham radio operators to learn and practice with them and help them to learn and practice– about simple UHF/VHF radio communications. For weeks I scouted many venues in San Francisco and chose Spreckels Lake in Golden Gate Park. I announced the radio practice at the end of weekly ham nets, handed out announcements at an ACS meeting and an SFARC meeting.
Two of my best friends, Jan WB6SPX and Jim KI6RYE, said they would help and we three met over a nice bottle of red wine at Jim’s house to work out (loosely) the details of the first practice. (Better than a garage in Los Altos.) I told them I had a name for the radio practice: “The 2 Meter Critical Mass Amateur Radio Practice”.
On July 10, 2010, the first 2 Meter Critical Mass Amateur Radio Practice took place from 1000 hours to 1200 hours at Spreckels Lake in Golden Gate Park.
Twenty (20) hams were in attendance. Imagine that!
We talked on our radios. Some had trouble with Tone, Tone Frequency, offsets, phonetics, low battery power. There were lots of questions and the Elmers answered them.
I learned a lot that day. Exactly what I had wanted.
Since then, when we meet we continue to talk on our radios, solve problems and learn new things about our radios. I have learned something every time we met.
Only once a month. Only two hours from 1000 to 1200 hours on a Saturday. Where else can you go in the City to learn about ham radio and help others learn? If you know of another place for radio practice, please tell me.

Thank you Peter McElmury AA6SF-SK for developing this for our community. We look forward to carrying on your tradition.

San Francisco Radio Club (SFRC)
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