Guest Speaker Schedule

Updated: 09/13/2018
All Presentations are Scheduled to Coincide with General Meeting Dates

October 05, 2018 – TBD PLEASE RSVP to rsvp@w6sg.net if you are coming.

November 02, 2018 – TBD PLEASE RSVP to rsvp@w6sg.net if you are coming.

December 07, 2018 – Our annual Holiday Party will be our December General Membership Meeting. 17:30 – 21:30  No presentation in December. We charge a fee to attend our Holiday Party, which includes dinner and door prizes.  Paid members and guests are welcome. PLEASE RSVP to rsvp@w6sg.net if you are coming.

2018 Presentions:

January 05, 2018 – Richard Dillman  presented on Radio Spy Gear.

February 02, 2018 – Our own Jamie Taylor, KK6OLF spoke on Digital Communications.

March 02, 2018 – TBD

April 06, 2018 – TBD

May 04, 2018 – TBD

June 01, 2018 – TBD

July 06, 2018 – NO GENERAL MEETING IN JULY HELD! NO SPEAKER IS SCHEDULED! 

August 03, 2018 -TBD

September 07, 2018 – Rob Rowlands, NZ6J

 

Presentations 2017:

1/06/17 – We had a guest speaker for the Friday January 6th meeting.   Steve Wilson, W6SDY, presented on Direction Finding Methodologies and eccentric uses for AM broadcast receivers.

2/03/17 – Dr. Uhrhammer, WA6VEX, presented on earthquake early warning. He was research seismologist with the UCB Seismology Lab and is now retired after 30 years with the Working Group for California Earthquake Probabilities and the California Integrated Seismic Network. He updated us on earthquake prediction and preparedness.

3/03/17 – Bill Buzzbee presented on his homebuilt 16-bit computer and rebuilding a teletype.

4/07/17 – Our own Rob Rowlands, NZ6J, presented on Software Defined Radio (SDR).

5/05/17 – Leighton Hills presented on West Marin WISP (Getting Internet to Muir Beach & West Marin).

6/02/17 – Michelle Paquette  presented on Antenna Basic Principals.

7/07/17 – NO MEETING IN JULY! NO SCHEDULED SPEAKER.

8/04/17 – Our own Alan Bowker, WA6DNR, presented on current operating availilities for working ham radio satellites.

9/01/17 – Richard Dillman, W6AWO, president and co-founder of the Maritime Radio Historical Society, presented on emergency communications and the West Marin Disaster Council. Richard designed and built the repeater system for the Council and has been active in emergency communication is West Marin for many years.

10/06/17 – Jim Emrich, N6UHU, presented on Coast Guard Radio, Guam – NRV.

11/03/17 – Mel Hendrickson presented on his book Questions and Answers About Repairing Old Radios and Old Tube Equipment.

12/06/17 – Our annual Holiday Party will be our December General Membership Meeting. 17:30 – 21:30  No presentation in December. We charge a fee to attend our Holiday Party, which includes dinner and door prizes.  Paid members and guests are welcome. PLEASE RSVP to rsvp@w6sg.net if you are coming.

 

Posted in Club Events, Education, Uncategorized

Next Monthly Meeting Date

Updated: 03/17/2019

The next regular monthly meeting of the Marin Amateur Radio Society will be Friday, April 05, 2019, and will be held at the Alto Clubhouse, at 19:30.  No speaker has been scheduled. *** Please RSVP to: rsvp@w6sg.net/ if you plan to attend the pre-meeting dinner, so we have enough food. ***  (Meetings are normally held on the first Friday 7:30 PM, monthly; except July and December.) See: Guest Speaker, for more information for speakers at our meetings.

The next Board of Directors meeting is scheduled for Thursday, April 11, 2019, 7:30PM, at the Alto Clubhouse.  Members and guests are welcomed.  (Normally held the second Thursday 7:30 PM, monthly.)

There is an informal get together at the Alto Clubhouse, weekly on most Sunday mornings; 08:30 – 11:30ish.  If there is a holiday that falls on Sunday, sometimes no one opens up the clubhouse.  The CW practice group and the repair group meet Sundays at the Clubhouse around 10:00am.

The HF Sunday Morning Net is scheduled at 09:00 am on 3915 kHz Lower Side Band (LSB), the VHF Sunday Morning Net is scheduled at 10:15 am, on the simulcast system (146.700 MHz). See: Nets for more information.

There is a Technician Class starting on Date February 07, 2019.   More details or sign-up at: MARS Education Page

(Directions to the ClubhouseMARS Alto Clubhouse

Posted in Club Events

Our New Website is Here!

If you are seeing this, it means our new website is live!  Take a look around.  Is there something missing?  Is something not working quite right?  Use the new contact form to send us feedback.  This is a work in progress, so be patient, but let us know what you think.

Posted in Club Events, Uncategorized

Ridge to Bridge participant signups expected to Launch Tuesday

Here is a link to the Ridge to Bridge 2024 Event.

Posted in Uncategorized

Public Service Kickoff Event

Recognition of participation, discussion of this season’s events, information on how to help support public service events.  These are too much fun to miss!  Saturday, April 6, 11:00 at the clubhouse on Shell Road.

Posted in Uncategorized

More on Dolphin Club Escape from Alcatraz

The image is killing my load time, so continuing in a separate post.

..fairly typical for APRS to show weird deviations, based on reflections. The blue lines are predictions of where the tracker is going based on speed and direction, and once a beacon is received the blue line is replaced with tha actual track…the straight blue line seems to indicate an attempt to fill in the track once you got back in range.

And for a VERY RELEVANT note from the very wet day:  For electronics that get wet, remove batteries and  dry them out on an oven set to proof ( ~150F) for a couple of hours or immerse in a bag of rice (to adsorb moisture) for a few days.  If you use the rice, make sure rice does not get into ports of the device.

Regular paper being used at Cardiac was turning to pulp due to the unavoidable moisture.  Rite in the Rain also makes waterproof paper for use in laser printers.

“I think the plan of hiking from White Gate against the flow of runners, leaving about 1000 hours, and returning from Cardiac to White Gate, starting about 1300 hours, worked pretty well.  None of the runners I encountered needed my help, although I did end up following some hikers down the Dipsea who were not well prepared for the muddy conditions (one kept slipping and sliding due to improper footwear).  Despite several falls, they made it to White Gate without injury.”

Another note was from Jeff at Aquatic Park.  Jump time was 7:35 rather than the reported 7:45.  The duty roster said to start at 8:00.  Net Control arrived just before 8:00 and no one else was there, so they were wondering if they were supposed to start at 8:30.  They set up anyway, but not in a hurry, forgetting that the first swimmer was out at 8:05.  Next time, remember that things are happening even if not at Old Mill Park just yet.

Posted in Uncategorized

Notes on Dolphin Club Escape From Alcatraz

We had a couple of APRS trackers on the trail for this event, and several comments pertain to how we might improve their utility..

“I think nearly all of us could communicate on 147.330 via the Tam West repeater. If so, how well would APRS work if we parked a mobile digipeater at Tam West for the duration of the event (at least for Dipsea events)? Perhaps this should be our first test. Someone can drive up to the West Peak with the mobile digipeater. Since there are few roads near the course, we would need two or three people to walk parts of the Dipsea carrying trackers.  Thoughts? Is that a good idea for the next test?”
Regina included longitude and latitude with maps on the duty roster, which were most helpful. Posted in Uncategorized

Based on people I heard from the club picnic was, despite late catering, a huge success.

Thank you to all who worked so hard to make this event terrific.

It also provided an opportunity to enhance collaboration between park rangers and amateur radio operators, especially using the AREDN network.

Posted in Uncategorized

Photos from Muir Beach, courtesy of John K.

Muir Beach photos

July 23, 2023

Posted in Uncategorized

MDARC FireTrails 50M Sept 30, 2023

If you want to volunteer, contact Larry at laryloomer@yahoo.com

Posted in Uncategorized

Adding photos in the Gallery for Marin Century, Double Dipsea, ZBC Dipsea Hike

Posted in Uncategorized

Marin Century notes

Adding notes from our volunteers

From Bloomfield, we could get in to both Tam and English Hill with my twin lead j-pole and Dennis’s FTM-350 Mobile.
 
The usual Stinson Beach challenges with radio reception. Worked well with the fog but disappeared with it as well!  Thanks to all the Net Controllers for hanging in there with us!  Otherwise a beautiful “Day at the Beach”
 
From Lagunitas School: The century ride was pretty straight forward and definitely not air conditioned like Callum’s foggy rest stop. 

 
We had several riders who made wrong turns, including one who passed through the rest stop twice because he turned right instead of left after circumnavigating the Classic Southern loop/Nicasio Reservoir. Only one person was SAGd out for medical reasons – a heat related illness. He was assessed by a rider who was a nurse practitioner instead of the EMT. 
 
Here is Heat-related illness info from the CDC that may be helpful for future events or out hiking/biking in hot weather. Of course as radio operators we will not be diagnosing or treating anything but as a radio hiker I have seen people in the heat exhaustion phase and heat cramping phase on the Double Dipsea 2 years ago when it was hot AND smoky. 
Photos in the Gallery and more here. And some more here.  
 

 

Posted in Uncategorized

Marin Century Aug. 5 needs more volunteers please!

We are having a time with illnesses, injuries, funerals, … among communications volunteers for this event.  Plus, they added 2 new rest stops.  If you can find the time, please add your name to the signup list.  HERE, Scroll down about 2/3 to “Marin Century”.  Thank you!!!

Kind Regards,

Pam W, N6PDW

Posted in Uncategorized

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