winter scene


Upcoming Events

Fri Dec 19 @ 6:05AM - 07:15AM
PT Net - Rhett, KE4HIH, ncs
Fri Dec 19 @ 8:30PM - 09:30PM
6m FM Net, KK4UNZ, ncs
Mon Dec 22 @ 6:05AM - 07:15AM
PT Net - Jim, KI4HQO, ncs
Mon Dec 22 @ 8:00PM - 08:30PM
10 Meter Sideband Net (N1LN ncs)
Tue Dec 23 @ 6:05AM - 07:15AM
PT Net - Rhett, KE4HIH, ncs
Wed Dec 24 @ 6:05AM - 07:15AM
PT Net - Duke, K2MZ, ncs
Welcome to the Durham FM Association

The Durham FM Association is a group of friendly amateur radio operators interested in all aspects of amateur radio service. Members in Durham, Chapel Hill, Raleigh, and surrounding areas of North Carolina enjoy operating through VHF and UHF repeaters sponsored and maintained by the club.

Currently the club operates FM voice repeaters on 145.450-, 147.225+, 224.260-, 444.100+ and 444.450+ mhz (the plus and minus indicating standard offsets on the respective bands).

We normally meet on the 1st Tuesday of the month (see Calendar) with Dinner (optional) at 6:00pm and the business meeting and program at 7:00pm.  We are meeting at Bullock's BBQ, on 3330 Quebec Drive in Durham. [click for map] (For more info on each meeting, check the Calendar entry.)

Our club runs a great hamfest toward the end of May each year. The DurHamFest was held in the Little River Community Complex for the last few years and expect to be there again.  Dealers sell new and used equipment, books, and parts. "Tailgaters" also offer much used equipment. Besides the buying, selling, and trading, door prizes and fellowship with old and new friends make this a really fun event.


Jan 6 Program: Out of the Shack and Into the Air Print E-mail
Written by WA2ROC, KU4GC   
Friday, 12 December 2014 10:00

Dick, WA2ROC, has presented DFMA programs on radio controlled aircraft before.  But it has been a few years...  Dick reports:

"I have been a licensed radio amateur for 53 years now and have enjoyed every minute of it.  I mainly focus on vacuum tube high frequency radio equipment, commonly referred to as "boat anchors" but they certainly keep the workshop warm on cold winter evenings. I have been asked to present a program about one of my other hobbies, building and flying radio controlled model airplanes, a hobby that I have been involved with for more than 35 years.  I'll show the DFMA members what I have been building and flying in the last several years, one of my latest projects and I'll try to answer questions concerning the new controversy about so-called "drones" and how my hobby could be "grounded" if rogue drone pilots violate the upcoming rules being formulated by the Federal Aviation Administration."

Dec 2 Program: DFMA Christmas Party Print E-mail
Written by Dietolf Ramm   
Monday, 01 December 2014 12:34

Continuing a tradition of having the DFMA pick up the club member's tab for our December Holiday Dinner Meeting, we will meet at Bullock's Barbecue Restaurant in Durham starting at 6:00pm. You will be able to order from the menu. Each member may also bring one guest. This holiday dinner is the program. Bring your spouse or friend!

This is our Christmas Meeting! In that tradition you may (optionally):


* Bring a Christmas gift for a child to be distributed to needy famileies. If wrapped, mark gender and age range on the outside. If not wrapped, that's fine too. If you have one -- a gift bag would work too.

* The Club will make its annual gift.  It will be split between the Durham Rescue Mission and the Food Bank of  North Carolina. We will be passing the "hat" for additional personal contributions to these causes. (Some members will drop a check in the hat made out to the charity of their choice  -- we will forward it -- the cancelled check may be useful at tax time.)

All gifts are optional - bring the gift of your presence for all to enjoy!


There will be no program as such. However, be ready to relate "Ham Radio New Years Resolutions" - what are your ham radio goals for the coming year. Do you finally want to go to Dayton? Do you plan to put up (or take down) a tower? Are you finally going to put together a real "go kit". Is Morse code in your future? We hope you'll be ready to share your ham radio dreams.

Bullock's Bar B Cue

3330 Quebec Dr
Durham, NC 27705
(919) 383-3211

(Between: Lasalle St & Mountainview Ave)
(Near: Lasalle St N & Hillsborough Rd)

[click here for map]



President's Corner (Late) Print E-mail
Written by KK4EIB   
Monday, 01 December 2014 12:09

Happy (belated) Thanksgiving to all of you!

This message is coming to you as I just got back from western NY where upon arrival I spent the next 3 days digging myself out of 6 1/2 feet of snow (it was coming down at around 3"/hour). It's quite the sight.  You shovel it and as soon as you've "finished" there's accumulation at the other end of the driveway you thought you were done with. Three days later it was 65 degrees and rain was coming down -- there was a general call for volunteers to help fill sandbags to say off the flooding from the melting snow. For what was supposed to be a vacation it was quite a work out.

What's western NY weather got to do with ham radio? Well, it was rather reassuring that several repeater groups were part of the teams organizing transporting hospital staff to/from various emergencies and emergency rooms via snowmobile. Their local weather teams banded together to find people with available snow transport. How cool.  Made for some interesting listening.

Speaking of really cool. We've gotten our results for Field Day 2014 and chalked up another impressive showing: #1 in NC (out of 89), #3 in our Division (out of 216), #7 in the Nation (out of 2686). #2 in QRP (out 315) was a little bittersweet -- #1 is the West Valley Amateur Radio Association (WVARA) in Santa Clara, CA. They run as lean an organization as ours, but have a very geographical advantage where they place their towers high atop a hill overlooking Silicon Valley -- really nice digs, though I'm sure we all enjoy and appreciate the fantastic location Wilson Lamb (W4BOH) graciously provided next to a tranquil pond in the Orange County Outback (OCO).

Hope to see the lot of you at our upcoming Holiday Party meeting this coming Tuesday!

73, Michael

Last Updated on Monday, 01 December 2014 12:12
Nov 4 Program: 3D TV, 4K TV and Beyond Print E-mail
Written by KU4GC   
Thursday, 30 October 2014 08:07

Stephen Toback, Senior Manager and Media Architect for Duke University's Office of Information Technology will be presenting on emerging video platforms for education: 3D and Ultra High Definition Video (4k). He will have a demonstration current experiments in using 3D technology with a 3D display and camera and will be discussing 4k video and beyond.

Oct 7 Program: Building & Improving the Mantis Mill Print E-mail
Written by KU4GC   
Wednesday, 01 October 2014 23:01

Jeff Crews will be talking about the Mantis Mill.

The Mantis 9.1 mill is a low-cost, open-source CNC mill fabricated from plywood that uses innovative  design and construction techniques to achieve high precision with simple tools. It was originally developed by a graduate student at MIT, and uses a standard Arduino micro-controller board and the GRBL Arduino firmware to interpret Gcode and drive standard stepper motors.

After building one for himself, Jeffrey Crews and other members at Durham Splatspace (a local maker space) revisited and improved the existing documentation for the Mantis and made further refinements to the design so that it can be used for other materials and techniques beyond PCB fabrication.

Jeff will explain the operation of the mill and its companion open-source software, give background on the challenges of making and using one, and also demonstrate its use. A bill of materials, links to instructions and supplies, and advice about suggested upgrades will be provided for anyone interested in making one.


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