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Saturday, May 23, 2015

8:00 am - 1:30 pm

DurHamFest

Little River Community Complex

8307 N Roxboro Rd (US 501 N), Bahama, NC 27503

 

Upcoming Events

Sat May 23 @ 8:00AM - 01:30PM
DurHamFest 2015
Mon May 25 @ 6:05AM - 07:15AM
PT Net - Jim, KI4HQO, ncs
Mon May 25 @ 8:00PM - 08:30PM
10 Meter Sideband Net (N1LN ncs)
Tue May 26 @ 6:05AM - 07:15AM
PT Net - Rhett, KE4HIH, ncs
Wed May 27 @ 6:05AM - 07:15AM
PT Net - Rhett, KE4HIH, ncs
Thu May 28 @ 6:05AM - 07:15AM
PT Net - Bob, W4RWC, 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.


 

 
DurHamFest Saturday 5/23 Print E-mail
Written by Dietolf Ramm   
Thursday, 21 May 2015 23:23

Remember DurHamFest 2015 this Saturday (5/23)

This year's DurhamFest will again be held in the Little River Community Complex on Roxboro Road (US 501 N) near Bahama at the intersection of Roxboro Road and John Jones Road.  See a map and additional info via the DurHamFest tab above.

~ Prizes ~ Food ~ VE Testing ~ MCU Open House ~

Tickets are still $5 per person.  Tailgate slots are $5 (plus tickets).

We open up to the public at 8:00am.

We'll be monitoring 147.225+ and/or 145.450-

There is also a work session Friday from 4pm to 7pm. Come and help with the setup.  Get to know some of your fellow DFMA members in a different setting from a BBQ restaurant.  If you buy your ticket Friday evening, you’ll be eligible for a special prize drawing.

Feel free to volunteer on Saturday to help out.  You can probably help out a the Club table, the food sales, and in general.   Then some time after 1pm, we begin to break down and clean up. 

Also, you can offer to help our larger vendors with setup and break down.   (Buying something will also be appreciated. :-)  We depend on vendors to make this more than just a flea market.  Thank them for coming.

Hope to see you there!

73 de Dee, KU4GC, Vice President, DFMA

ps: We'll have free coffee like last year.
Some sausage biscuits and donuts will be available for sale early on.  Later we'll fire up the grill and have hamburgers, hot dogs, vegi-burgers, and softdrinks, all at very reasonable prices.

Note: Your DFMA 2015 Directory will be available to pick up at the ticket table. Ask for your copy.

ALSO:
Both the DFMA and OCRA will have Club Tables there.  Get some real bargains there.  Members can bring some things to sell.  Find some things you no longer need that might be of use to others.  Important: Make
sure that all items are marked with your call sign and a price.  Let the volunteers staffing the table know
how flexible your prices are.

 
May 5 Program: Using EZNEC and DurHamFest Planning Print E-mail
Written by KU4GC   
Wednesday, 29 April 2015 12:42

PROGRAM:

Dan, KR4UB, will present a program on the popular antenna modeling tool, EZNEC.  He writes:

The presentation will touch briefly on the history of the EZNEC numerical computation code developed by the Lawrence Livermore National Laboratory and a brief pictorial tour of the U.S Naval Electronics Laboratory shipboard antenna modeling range at Pt. Loma, CA. The slides will include the EZNEC antenna model setup and the resulting azimuth & elevation gain profiles and 3D pattern views for the following antennas; 80M dipole, 5 band hex beam, G5RV, 5 element 10M Yagi, 40M ¼ wave vertical over poor ground, over saltwater, perfect ground and, an 80M horizontal delta loop.

DURHAMFEST PLANNING

We will also do our last planning for DurHamFest 2015 which is coming up fast.

 

 
April 7 Program: Collins KWM-1 Restoration Project Print E-mail
Written by Dietolf Ramm   
Sunday, 29 March 2015 22:15

John Green, KX4P, will give a presentation including slides and video illustrating his work in restoring a Collins KWM-1 transceiver.

He writes this about the rig:

The KWM-1 was a historic milestone in HF radio communications ushering in the first commercially successful transceiver. Prior to its development, ham communications used separate receiver and transmitter equipment. By the mid 1950s, most stations were true "boat anchors" using 120 pound AM transmitters and 65 pound receivers, all connected together with relays, cables, wires, etc. The Collins "Gold Dust Twins" (KWS-1 and 75A4) were top of the line examples.

In 1956 Collins produced the KWM-1. It was the first commercially successful transceiver, replaced AM with SSB and offered a complete 100 watt mobile/desk-top station in a small 16 pound cabinet. Only a few were made because, being immediately popular, it was redesigned and produced for both the amateur and military market as the famous KWM-2 (1958-1978 ?). It was later redesigned as the all solid state KWM-380 (1979-1983). Collins then exited the ham radio market.

 
Mar 3 Program: Fun with QRP Print E-mail
Written by ku4gc   
Monday, 02 March 2015 14:06

Fun with QRP - Paul Stroud, AA4XX

Paul writes:

"The AV presentation chronicles a number of QRP outings by me and my friends over the past few years, including a kayak expedition to the NC OBX, a NC QSO Party expedition to the Alligator River National Wildlife Refuge in Dare County, the recent 160M CW ARRL Contest from Lea Island, FD in the NC mountains, and a number of other interesting adventures.  The video also demonstrates a 40M CW QSO while I was running 50 milliwatts with a station in Quebec.


There are several VHF, as well as HF clips in the presentation.  For example, we'll see W4MPS working quite a few states via satellite with his VHF handheld."

 
Makeup Board Meeting Cancelled Print E-mail
Written by KK4EIB   
Tuesday, 24 February 2015 13:11

Once again. We have snow.

It appears to have snuck up on us this time.

We don't like driving in it so we're going to cancel tonight's shindig, too.

The way I think we'll handle this is we'll have a board meeting sometime while we're glomming down food at Bullock's. We'll discuss the most urgent things on our plate (other than BBQ), namely the arrangements for the DurHamFest.

MN

 
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