Tag Archives: antenna

June 2016 Meeting Minutes

AEA Radio Club Meeting 6/30/16

Audio of the meeting:

Slides from the meeting

 

6 people in attendance

  • Kirk Crawford KK6KC
  • Don Hall KK6DCX
  • Phil Martzen KK6PSA
  • Teresa Moore AG6OD
  • Tom Essenpreis KB9ENS
  • Ching Kong KJ6QBI

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Field Day Report:

Kirk, Don, Phil, Teresa, Emily Conroy, and Korede Oladimeji participated in our club Field Day event, which was held on the top two floors of the parking structure.  We made 25 HF contacts on the 20m and 40 m bands.  No VHF/UHF contacts were made.  We started around 12-1 pm and started shutting down around 4-5 pm.  We made HF contacts in 13 sections, from California to Canada to Oklahoma.

 

Lessons Learned:

  • The fiberglass masts are too floppy for the heavy VHF antennas. Next year replace them with 10’ aluminum masts
  • The 440 VHF antenna should be vertical rather than horizontal
  • Next year replace the three VHF/UHF setups with one multiband setup
  • Next year try 20m, 40m, and 80m dipole antennas as inverted Vs, one over each light pole
  • Need to be able to use the headset microphones and push-to-talk button (did not work)
  • Buy what we need for digital modes and try having a digital setup next year
  • Need to replace the mike stand for the Kenwood
  • Next year have a Field Day “practice” where we set up and try out our systems, especially the VHF/UHF setup, coordinating communications with someone in a shack or on a handheld.
  • Make a list of VHF/UHF simplex frequencies for next year

 

Trailer Cleanup:

A meeting was scheduled for July 6 at 11:30 to work on putting the radios back in the trailer and organize our equipment in the trailer. [OOPS I forgot about this! – KK6KC]

 

Budget:

The budget is due July 15.  Some ideas for budget items were:

  • Labeled plastic bins to organize supplies in the trailer
  • Field day equipment mentioned above
  • Better power strips
  • Line filters/power conditioners
  • Equipment for the A6 shack
  • D8 shack SDR
  • VHF/UHF antenna analyzer
  • Pan adapter for KX3
  • HRD software
  • Whatever we need for the APRS emergency communication plan (Ryan is supposed to spec this out; we can use a Buddipole antenna set for 30 m)

 

The library has radio club books that belong to us that they need us to store during the library remodel.  Kirk will let us know what we’ve got when he finds out and may need additional storage space depending on how many books there are. [EDIT It was only a single book, General Class learning guide from 2007.  Out of date so I had it recycled.]

 

Meeting Ideas

We discussed ideas for future meetings.  These ideas included:

  • Antennas for condominiums
  • DXpedition videos
  • Field Day videos (what do other clubs do?)
  • Digital modes (Teresa’s husband Dustin has been doing a lot of digital stuff lately and could give a presentation.)

If you have other ideas or would be willing to present something to the club, please comment below or email Kirk

May 26, 2016 Meeting Notes

Audio of the meeting:

Members in attendance:

  • Ryan Noguchi AI6DO
  • Kirk Crawford KK6KC
  • Don Hall KK6DCX
  • Teresa Moore AG6OD
  • Joe Barger N6KK

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We had some discussion about the upcoming Field Day. We considered what we could do for a 20 or 40 meter wire beam antenna on top of the parking structure and how we would keep the driven element and the reflector parallel to each other. However, given that we expect very few people to be available to do Field Day with the club, we decided to just stick with the antennas we already have: the CrankIR and Buddipole for HF and the verticals attached to the fiberglass masts for UHF/VHF. We will probably run a 20 m station and either 40 or 15, depending on conditions that day.

On the Wednesday before Field Day, we will put up signs advising people to not park in the travel parking on the 4th floor and the North-East section of the 3rd floor. Cones and tape will be put out Thursday afternoon to block off parking spaces, and tables and chairs will be delivered to the 3rd floor Friday afternoon. All equipment will be moved Saturday morning. Kirk will bring 5 gallons of gas for the generator. We won’t invite any external visitors (like city council, press, etc.)

For general emergency use, we discussed having a 30 m APRS system that can send an email out in case of emergency. Ryan will spec out a system and report back. We will also want to be able to communicate with COS/Chantilly on voice, which can be set up over email via APRS.

Kirk brought up the point that during the A6 evacuation a couple months back, the security radios caused a lot of interference on our standard go-to 2 meter simplex frequency (147.51 MHz). He suggested trying a 440 simplex frequency. We would have to test to see how far we can get with 440 simplex. If there is someone with access to a real antenna, we might be able to relay messages.

It was recommended that we purchase the Yamaha CM500 headsets for the rigs in the trailer and for Field Day use.

Kirk reported that he had asked about putting an A6 shack in an electrical room on the second floor of A6. Maintenance people got upset about us using the electrical rooms in general. We will be cleaning to be sure that we are not blocking any electrical panels in any of our shacks in electrical rooms, especially in A2. Kirk is waiting for approval on the A6 shack but will put together a preliminary list including costs for budgeting purposes.

Joe wants to buy a good Software Defined Radio for the D8 shack.

Budgets are due in July so we should allocate/spend money now.

Possible Field Day Location: Top of Parking Structure

(Copied from emails)

Kirk Crawford:

Parking Structure at AGO
Parking Structure at AGO

After our last meeting I had an idea that we might think of as an alternative field day location.  We could set up on the Parking Structure.  I would propose that we install the antennas on the roof/top level of the structure, and then have our tables/radios on the level below that.  We wouldn’t be able to use the EOC trailer, but we would get a significant height advantage for the antennas.  It would not be as easy for retirees and others to get to since it is significantly past the security gates.  What do you guys think?  I got the idea from the South Bay Amateur Radio club that does their field day in the Torrance Memorial parking structure.

Archie Buchanan:
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You are right, there would be a great spot for radios and antennas. It would be great.

Teresa Moore

Interesting idea.  We’d get better signal, but it’s harder logistically.  I’ll likely have my kids with me, and the nearest bathroom is in A6, and I can’t just send them there without going with them to badge them in.  It would also be harder for a city council person (or whatever public figure we solicit) to show up.  On the other hand, we don’t have to rely on Security to move the trailer.

Who is planning to come to the Aerospace Field Day?  I was planning to be there for at least a few hours (my husband will be doing a Field Day exercise with his unit so he won’t be there and I’ll have all three kids, at least one of which is old enough to work a station for a while under a licensed station control operator).  

Field Day 2015 Photos

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October Meeting

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The October meeting was held in A1/1026 at 11:30 AM on 10/29/15.

Atendees:

  • Kirk Crawford KG6MTE
  • Archie Buchanan KD6OLH
  • Ryan Noguchi AI6DO

Audio of the meeting:

First we discussed the Fan Dipole antenna system Ryan installed in his attic.  Then we talked about the Sky Loop antenna I am thinking of installing.  We looked up the homes on google maps to see the feasibility of these things.

I suggested that in an effort to attract new members and make more hams, the club should purchase some training courses from HamTestOnline.  This is the company I used recently to study for my Extra license.  They have a program called Ham It Forward.  Where you can purchase the Technician course for $15 each (minimum 5) and we give that away to prospective new hams.  We should also assign a club member to be a mentor and help encourage them or answer questions.  It also comes with a free General course that we could give to some other technician in the club that may need it.  Read more about it at their site.  Since we didn’t have a quorum, we didn’t vote to purchase it.

Archie suggested we might want to make the deal even better.  If the prospective Ham passes the test, we could provide them with a free Baofeng 2m/440 radio.  This would give them the ability to get on the net for emergency communications, and would only cost the club $34.

I used the Buddipole system that the club owns on my last business trip and made several successful contacts during the CQ Worldwide DX SSB contest last weekend.  From this experience and from reading the Buddipole in the Field document, I propose purchasing the following Buddipole accessories to enhance the system and make it able to be used in more configurations:

(* added after the meeting)

We also talked about the morning net.  We aren’t having a net anymore because we don’t have a net control person that can be on at 8 am.  One proposal was to try it at another time.  I will send out an email survey to see if it would work better at a different time of day.

Our next meeting is on November 19.  Note this is a different Thursday of the month due to Thanksgiving.

Our Christmas Party will be held at the Proud Bird on December 10.  It is reserved.  We will do the same thing for raffle prizes this year like we did last year with the winner designating their Ham Radio supplier of choice.

After the meeting, Archie donated three 33 foot fiberglass masts (MFJ-1910)  to the club for future field day use.  They are new in box.  They look like they will be perfect for setting up some dipoles or a Sky Loop on Field day.

 

73,

 

Kirk Crawford KG6MTE

 

August 2015 HAM Radio Club Meeting

11:30 AM 8/20/15 A1-1029

Members in attendance:

  • Don Hall 
  • Kirk Crawford

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We viewed the images from Field Day, and then we discussed ideas for club meetings.

  • Shack Demonstration: Meet in D8 contact CO.
  • Satellite Communications Video  Presentation
  • ARRL Videos
  • Free Ham Radio Class
  • Antenna Theory
  • You Tube HAM Radio DXpedition Video
  • SDR
  • APRS Demo Repeat

We agreed that we need to plan ahead so we can advertise and get new members.

September Meeting: SDR Presentation – Don Hall

We need topics for the October and November meetings.

December: Party- Don has made a reservation at The Proud Bird. We will be there on December 10.

No Audio this meeting.

73,

Kirk Crawford

President AEA Amateur Radio Club

 

June 25, 2015 Meeting Minutes

See attached audio file for a recording of the meeting.

In attendance were:

  • Archie Buchanan KD6OLH
  • Ryan Noguchi AI6DO
  • Don Hall KK6DCX
  • Kirk Crawford KG6MTE

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We discussed many aspects of the field day preparations.  It is this Saturday!  Come join us.  We are setting up at 8:00 AM at Visitor Center 1 (on El Segundo Blvd)

Listen to the audio for more information about the meeting.  We are planning to make do with what we have for field day.  Pull stuff from the A3 shack on Saturday morning.   Ill bring some fuel for the generator and Ill check with Jason on the movement of the trailer.

 

73,

 

Kirk Crawford

Minutes from April 30 Meeting

Radio club meeting 4-30-15

5 members in attendance:  Kirk Crawford, Don Hall, Ryan Noguchi, Jason Bayonne, and Teresa Moore

Antenna Test report:  Last week we set up the Crank IR and Buddipole antennas and got some experience with tuning them.  The Crank IR is pretty easy; the Buddipole has to be adjusted manually.  It took a while to figure out how to use the SWR meter in the trailer as it is not a design anyone was familiar with.  We heard a couple people on 20 and 15 meters, but the bands were not very active.  We did not make any contacts.  We plan to do another test on Wednesday, May 6.  Ryan volunteered to go to the D8 shack to see if he could hear us.

On May 19, the club will be manning a booth at the Aerospace Career Development Day.  Our plan is to set up the KX3 and the Buddipole and just see what we can hear, and talk to people about the club.  We have to be there between 11:30 and 1:30, and will probably have to be there early to set up.  We need volunteers to help with the booth.  You don’t have to stay the whole time.

Pain, cheapest price for levitra http://amerikabulteni.com/2014/04/14/2014-pulitzer-prize-winners-full-list/ weakness of the extremity, and loss of vision are not present in its herbal version. Regular massage also heals the damaged nerves and tissues in the corpora cavernosa.Cigarette smoking: Cigarette smoking aggravates atherosclerosis and thereby increases the risk for erectile dysfunctionDiabetes mellitus: Erectile dysfunction tends to tadalafil soft develop 10-15 years earlier in diabetic men than among non-diabetic men. It has become viagra ordination amerikabulteni.com a blessing for the individuals suffering from the pain of injury as depicted by physiotherapist Glasgow. There are some other problems that stop sans prescription viagra a man performing well during the time of intercourse. June 27-28 is Field Day.  We discussed some plans.  We will use the trailer rig, the KX3 + amp, and Teresa’s personal HF rig for three HF stations.  We can use the Buddipole, CrankIR, and a club dipole on Teresa’s portable mast for these stations.  We will need to either guy the antennas or use weight sacks to put on the tripod legs of the two club portable antennas.  Don volunteered to look into weight sacks.  For the VHF stations, Kirk found some better whips than the current little tiny ones on top of the trailer.  Jason and Kirk will move the trailer out of the tent so we can test these VHF whips.  We can move extension cables, the awning, and anything else we may need from the shacks and into the trailer before Field Day.  We will plan several lunchtime trailer events over the next couple months to get the trailer ready.  We need to space the VHF radios farther apart so there is room for multiple people to work them.  We can get extra points for advertising (put a notice in the newspaper, invite representatives to see our site, etc.).  If you are interested in volunteering to help with the advertising campaign, please contact Kirk.  

Don gave a report on the cross-band repeater project.  He has identified the Kenwood TMV71A 144/440 dual band radio as the best candidate.  The plan would be to mount it on a cart so it is portable and not necessarily tied to the trailer.  He will be doing more research on an antenna, portable mast, cart, and battery that can last at least 8 hours.  Next month he will have a list of parts/prices for us to consider.

Our ultimate goal is to be able to contact Colorado Springs and Chantilly from the trailer.  However, we’re not there yet.  As an interim measure, after Field Day we would like to set up a regular sched with the radio clubs at COS and Chantilly from the D8 shack.  If anyone wants to volunteer to lead that project, please contact Kirk.

Teresa

February 2015 HAM Club Meeting

(Audio of the meeting)

The meeting began at 11:30 AM on February 26, 2015 in D8 1006A.  Five members were in attendance:

  • Teresa Moore (AG6OD)
  • Victor Lin (KK6RZO)
  • Don Hall (KK6DCX)
  • Kirk Crawford (KG6MTE)
  • Ryan Noguchi (AI6DO)

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The radio equipment that was purchased for the D1 shack has arrived and has been installed.  The Radio has been tested and can reach the El Segundo Repeater.  The simplex portion of the system will be tested after this meeting.  Teresa will try out here new roll as the NCO tomorrow.  If club members would like to try out the radio setup, contact Teresa Moore for access. 

We discussed possible meeting topics for future meetings.  I will research a tree mounted dipole system I plan to use for  my home, and will present that at some point.

Teresa’s husband knows about digital modes may come in and present.

We also agree we should check  out the field day equipment we have to make sure we know how to set it up and use it before field day comes along. Hopefully we can do this in either March or April.

I also took an action item to contact Jason to inquire about the  HF Radio Status for the trailer.

Teresa will study the cross-band repeater mode of her new radio, and we plan to try it out in order to test it’s use for a possible future CERT exercise.

We gave recommendations to Victor Lin on possible VHF radios to buy as his first radio. The conclusion was to try the inexpensive Baofeng radio available on Amazon for ~$30.

The meeting was adjourned at about 12:20 and we went up to the D8 Shack for a little tour.

 

Ordering New Components of D1 Shack

The club is now ordering new components to make up a D1 Shack.  Here is what we are getting:

  • Kenwood TMV71A
    Kenwood TV71A
    Kenwood TV71A

     

  • Astron RS 20M Power Supply 
  • Comet GP-6 Antenna 

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This should be installed soon and then Teresa in D1 can help conduct the morning net.