Auxiliary Communications Field Operations Guide (AUXFOG)

The Department of Homeland Security (DHS) now refers to Amateur Radio groups such as ARES, RACES, REACT and other EMCOMM organizations, by the terms “Auxiliary Communications (Service)” and/or “Auxiliary Emergency Communications”.

To assist what the DHS now calls Auxiliary Communications, the Office of Emergency Communications (OEC) has released a publication titled the ‘Auxiliary Communications Field Operations Guide (AUXFOG)’. On one of the Interoperable Communications Technical Assistance Program (ICTAP) own webpages, they describe the AUXFOG this way:
“The Auxiliary Communications Field Operations Guide (AUXFOG) is a new reference for auxiliary communicators who directly support backup emergency communications for State/local public safety entities or for an Amateur Radio organization supporting public safety.
This reference guide contains information about AuxComm best practices, frequently used radio frequencies, Mutual Aid channels as well as tips and suggestions about auxiliary emergency communicators integrating into a NIMS ICS environment to support communications for planned events or incidents. It can serve as a reference both for auxiliary emergency communicators and public safety communications professionals.”

While printed copies are not available from the DHS, or the ICTAP, you may download a electronic copy here: AUXFOG_21_November_2013. Please note the AUXFOG is in PDF format, and is about 3MB in size.

Building a portable 12 Volt DC power source

If you’re like me, you not only enjoy your radios in the comfort of your shack, but like to go outside to “play radio” in events such as the upcoming 2013 ARRL January VHF Contest. This is a contest where I enjoy being a rover station. I also take part in spontaneous DX parties, public service events such as road races and providing Amateur Radio communications in times of need to such organizations as the American Red Cross. All of these activities at one time or another may require that battery power be used, as commercial power may simply not be available.

In this article, I’m going to discuss how I made my 12 Volt DC portable power source. I urge you to make, and have an auxiliary power available for yourself in the event you find yourself without commercial power. Fortunately for me, except for the battery box, everything else I needed was found around my shack and home.

The components of my 12 Volt DC portable power source include:
1. Four Anderson Powerpoles – Two red, two black and all with 45AMP barrel connectors.
2. 10 gage red/black zip-cord power wire (It’s best if you not use speaker wire).
3. Heat-shrink tubing of various sizes.
4. Two battery post terminals, for the AGM 12 Volt battery.
5. One 4-pole snap-in panel mount for 2 sets of Anderson Powerpoles.
6. Two Velcro Velstraps – 3ft X 2in
7. One 12 Volt (AGM) vehicle battery. As your power needs may vary, and there are any numbers of detailed articles about battery selection, I’m not going to cover that here.
8. One full-sized battery box.

Go-Kit Components

Go-Kit Components

Once the components were laid out, the first thing I did was to turn over the battery box. Then with my trusty Dremel Tool and multipurpose cutting bit, I cut out two thin rectangle holes just big enough to pass one of the Velstraps through [Picture A.]. Once the holes were made, starting from inside the box; I simply passed the Velstrap out one of the holes, across the underside of the box, then back into the box via the other hole [Picture B]. This Velstrap will later be used to hold the battery in place, once it’s inside the battery box.

Dremel Tool, Battery Box Bottom

Dremel Tool, Battery Box Bottom

I next took the top of the battery box, and again using the Dremel Tool and multipurpose cutting bit, I cut a square hole measuring 1.00 inch by 1.25 inches. This hole will later be used as a place to insert the 4-pole snap-in panel mount to hold the Anderson Powerpoles [Picture I].

The wiring came next. Following proper techniques, I crimped a 45 AMP barrel connector onto each of the four wire leads of a 10 gauge red/black zip-cord power wire. Then, keeping with ARES/RACES standard orientation, I assembled the red and black connectors (tongue down, hood up, red on the left, black on the right as viewed opposite the wire side). With each pair assembled, I then joined the two pairs together, one set over the other. NOTE: When using large gauge wire, it’s easier to put the connector housings together before putting the barrel connectors in.

Once the four connector housings were together, I inserted the wire lead’s barrel connectors into their corresponding connector housings. Red into red, black into black. Using the proper sized heat-shrink tubing, I fed both sets of zip-cords through it, then brought the heat-shrink tubing all the way up until it met the base of the Powerpole connectors. I applied heat and shrunk the tubing in place.

Using a sharp knife, I then split the ends of the zip-cords and separated the red side from the black side all the way up till it reached the heat-shrink tubing near the Powerpole connectors. I then fed both red wire leads into one length of heat-shrink tubing, then both black wire leads into a separate length of heat-shrink tubing. On both sets of wire leads, I left a generous amount of wire extending beyond the heat-shrink tubing. I applied heat and shrunk each of the tubes around their respective wire lead sets.

Powerpole connectors on, power-leads separated then heat-shrunk together by polarity, it was time to insert the four-gang of Powerpole connectors into the 4-pole snap-in panel. The Powerpole connectors simply slide in to the 4-pole snap-in panel and are held in place by inserting a retaining pin [Picture II].

Were almost home, just a few more steps: Holding the lid at the distance I wanted it to be from the bottom of the box, I measured out the length the wire leads from the 4-pole snap-in panel to the battery posts needed to be, then cut off the excess wire. Now cut to length, I inserted both red and black sets of wire leads into a single heat-shrink tubing. I remembered to leave enough of the wire leads exposed in order for me to later attach these wire leads to the battery terminals. I then applied heat and shrunk the tubing. Once the heat-shrink tubing cooled, to minimize movement of the wiring harness I secured it to the top of the box. After striping away enough of the outer coating, I attached each set of wire leads to their respective battery terminals and attached the battery terminals to the battery posts [Picture III].

Assembled Components

Assembled Components

The above having been completed, I placed the top onto the bottom of the battery box and secured it using the last Velstrap…Done! I now had a safe, secure and ARES/RACES standard orientation compliant source of 12 Volt DC power.

Completed 12 Volt DC portable power source

Completed 12 Volt DC portable power source

It’s my hope that this article, by showing you how with readily available components and it’s quick and easy assembly, you’ll be motivated to create your own portable 12 Volt DC power source.  After all, the bottom line is this: You never know when that next event will cause the lose of power to your shack, and there’s no guarantee there’ll be commercial power available at the places you go to, or get called to. A piece of equipment like this will give you one more way to be ready to get on, and stay on the air.

73

Rich – N1KXR

HCRA Meeting Friday, November 2

   JIm, KK1W, at the helm on Burley Hill

Friday’s HCRA meeting will feature a presentation on portable operating, with an emphasis on SOTA (Summits on the Air) activations. Nick, K1MAZ, will talk about all the fun that he and Jimmy (KB1PRA), and John (Kx1x) and others had on Mt. Monadnock in New Hampshire on October 20th. Nick is a recent member of the SOTA Jerks, and is also venturing out on his own to operate from many nearby summits. We’ll discuss what SOTA entails, and how you can get started from home and from a peak. New portable rigs, new antennas, and new battery technology will be shown. Join us for a fun-filled and informative meeting! Other likely participants: Ed, KB1NWH; Dave, WN1E; Matt, W1MSW; Jim, KK1W.   – Frandy, N1FJ@arrl.net

Jamboree on the Air – 2012

Jamboree on the Air logoThe Hampden County Radio Association sponsors BSA Venture Crew 510 and this Venture Crew specializes in Amateur Radio. Put Boy Scouts and Amateur Radio together and you get not only learning and fun. You get Jamboree on the Air!

Held on the third full weekend of October each year, Jamboree on the Air, or JOTA as it’s known, is the largest Scouting event in the world. In 2011 nearly 750,000 Scouts participated with over 6,000 stations in operation from 150 countries around the world.

This year the 55th Jamboree-on-the-Air is October 20–21, 2012. The official hours are from Saturday at 00:00 hours local time (right at midnight Friday) to Sunday 24:00 (midnight Sunday evening). So you’ve got the whole weekend to make JOTA contacts!

This worldwide jamboree requires no travel on your part, well, other than going to your Ham shack. Scouts from around the globe, and perhaps as close as across town, will be looking for Amateur Radio Operators just like you to make contact with. So hopefully you’ll take part in this worthwhile event and work some of these Scouts. By the way, while you enjoy a good QSO, many of  these Scouts are working on earning their Radio Merit Badge, and for some Scouts, this is their first time on the air!

For more information, please use the below links:

NE1C SOTA Activation Review – September 1, 2012 – Prospect Hill

Nick (K1MAZ) and I, along with Jim (NE1SJ/KK1W) made the trek to Prospect Hill, MA (near Athol) for a SOTA (Summits on the Air) activation.  Great weather and great propagation made for a perfect day!!!

We hung a mini-G5RV from the fire tower (up about 80′ sloping to a tree branch).  We used KK1W’s FT100 to make contacts using 55w and mini-G on 20m, 15m, and 10m SSB.  We used the FT817 and the mini-G to make PSK31 contacts (yeah, 5w) on 20m.

We also used a home-made “tape-measure” 2m beam to work a few local contacts on 146.52.  If you’ve taken 146.52 out of your scanning sequence, you might consider putting it back in, especially on weekends when local hams may be looking to make a contact with you.

Stay tuned for more NE1C activations, coming soon!  Thanks for all of you that we contacted today, and all we’ll contact in the future!

’73 de Kx1x, John J. Pise, Jr.

Hover over a thumbnail to see the description, click any thumbnail to start the slideshow.

NE1C Activation Logs