Tag Archives: antenna

Meeting, Shack

October 2021 Meeting

Club Business

Our October club meeting was held on TEAMS and in A3/1607A. I was the only one in the room, but we had several club members on the TEAMS meeting. See below for the slides, a recording, and transcript of the meeting. If you missed it, try to be there next time!

2021-10 Meeting SlidesDownload
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Meeting Recording

Transcript of October-HAM-Club-Meeting_2021-10-28Download
Field Day, Meeting

April 2021 Meeting

April Banner, Field Day Planning

Field Day Planning and D8 Roof Tour

See Recording here (Aerospace Only)

Meeting Slides

2021-04-Field-Day-PlanningDownload
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Shack

80M Vertical Straightening

1 Comment
Now Straighter 80M Vertical on the roof of D8

I met with Albert (KD6NSG) this morning on the top of D8 and we went over the antennas that we have there. We saw that the 80M vertical had drooped over quite a bit, and we were able to straighten it up a bit with an adjustment of the guy lines. It does look like there is a kink in it, but it should be better now. It may have also lost one of the rods in the top hat too.

We confirmed that in addition to the above, we have our big beam antenna, plus what looks like a EME setup. It is not hooked up anymore, but it has two long yagis on a Az/El mount and a third Bi Polarized yagi connected to the AZ portion. This may be able to be restored to service in the future.

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There is another vertical that seems to be in good service, but the radials should be sorted out better. Based on the height, I suspect it is a 6 or 10M vertical.

73,

Kirk KK6KC

Meeting

September 2019 Meeting

The August AEA Amateur Radio Club (AGO) meeting took place Thursday, September 26, 2019 in A3/1607B (cafe). The meeting was in person and on Skype.

Meeting SlidesDownload
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September Meeting Audio Recording

Attendees (in person):

  • -Kirk Crawford KK6KC
  • -Ching Kong KJ6QBI
  • -Victor Lin AJ6LA
  • -Bob Lanahan KK6WYW
  • Skype Attendance:
  • -Tom Fagan
  • -Andrew Lin
  • -Victor Lin

Agenda/Notes:

  1. Kirk presented the meeting slides.
  2. Cert Exercise, 30 Oct
  3. Current activities and possible future presentation
    1. Bob: RF Dongle Presentation & NBEAMS
    2. Kirk: FT8 on Raspberry Pi
    3. Andrew: SDR GNU Radio
    4. Victor: Low Cost Vector Network Analyzer
    5. Tom: Stealth Antenna, EMI, HF CW, FT8, Giving lots of talks, grounding, bonding, lightning protection
  4. Holiday Party, Proud Bird, Wed, 11 Dec, 11 am. Ching will get the projector. Also need extension cord.

Meeting

Jan 2018 Mtg Minutes

Aerospace Radio club meeting, 25 Jan 2018
Room 1607B, 11:30-12:30

Attendance: Kirk Crawford, Teresa Moore, Joe Barger,
Tom Essenpreis, Don Hall, Steve Schmidt and Bob Lanahan

8 mins of meeting audio is available <click here>

I. Kirk (radio club president) made a presentation.
Here are Kirk’s charts 2018-01 Meeting Slides

Notes taken to supplement Kirk’s presentation.
1. New club members have on-line training available to them.
2. $5K is the club budget this year
3. Joe installed remote desktop in Radio Shack in D8, more on this            topic later.
4. Goal to have A2 antenna purchased this year.
5. Kirk asked if we need any purchases for field day. Discussed
options.
6. Kirk charts include ARRL Grid chase, good for FT8, he’s near
the top 1,000 chasers

II. Tom presented his briefing on Magnetic Loop Antenna
Here are the charts  Mag Loop – 26 Jan 2018

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1. Went thru his charts and excel spread-sheet
2. Tom’s briefing was very interactive, there were a lot of
questions, and overall it was a great presentation.
3. His capacitor is rated between 11-93 picofarads
4. His antenna tunes between 13 – 19 Mhz

III. Joe (radio club treasurer) presented his remote desktop set-up.
1. His surface was connected to the D8 shack computer, running
FT8, connected to the K3 radio.
2. He is using DxLab and remote desktop VPN.
3. Joe wants to get an internet controlled power strip, cost ranges
between $200 and $500.

Meeting photos
1. Tom and Don with Magnetic Loop Antenna

2. Joe and Kirk – remote connection

3. Joe’s remote connection running FT8

Field Day, Meeting, Shack

July 27, 2017 AEA Amateur Radio Club Meeting

AEA Amateur Radio Club meeting was held at 11:30 am on 7/27/17.  

Ten people were in attendance, two of whom joined at this meeting:

  • Teresa Moore AG6OD
  • Don Hall KK6DCX
  • Kirk Crawford KK6KC
  • Tom Essenpreis KB9ENS
  • Ryan Noguchi AI6DO
  • Victor Lin KK6RZO
  • Bob Lanahan KK6WYW
  • NEW MEMBER Susan McCormack K6SUZ
  • NEW MEMBER Wayne Wheeler  W6AHH
  • Joe Barger N6KK

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 The meeting started with a report on this year’s Field Day and a discussion of what we should remember for next year.  Then we discussed the budget, including plans for upgrading the A2 shack HF radio and antenna.  Finally, HamCon is coming to Torrance this fall, September 15-17.  Besides interesting talks, there will be an opportunity for an added cost to tour the radio room on the battleship Iowa.  More information on all of these topics is available in the powerpoint presentation, which can be found on the club web site.

The meeting ended with a raffle.  All members including the new members received a free raffle ticket.  Victor won a Pixie transceiver, Don got the heat shrink tubing, Kirk got a helping hands tool, and Susan got the tape measure.

Wayne volunteered to do a presentation on his project to rebuild a 1928 HF radio.  He is on the calendar for the October meeting.

Teresa Moore

July 2017 Meeting Slides

Meeting

January 2017 Meeting Minutes

Audio of the meeting:

    Members in attendance:

  • Kirk KK6KC
  • Teresa AG6OD
  • Bob KK6WYW

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14 members have paid dues for 2017

Holiday reports:

Kirk talked about using APRS during his recent RV trip.  His system involved a little Bluetooth APRS tracker device, a radio, and an old phone running APRSdroid.

Tom did a SOTA hike and got at least 4 contacts.

Bob studied for his General license and takes the exam on Saturday.  He may do a SOTA hike after the exam.

New Business:

Bob needs a computer for the A2 shack.  Kirk will look into getting a redeployed system from the Aerospace loan pool.

Some of the radios in the A2 shack have issues.  One doesn’t tune and another doesn’t receive well but seems to transmit OK using a 10 m horizontal dipole on the penthouse roof.  We may want to put an inverted V dipole on the penthouse.

Antenna survey for the A2 shack will take place Thursday Feb 2 at 1 pm for antenna planning.

    Upcoming Events:

  • 1/28-29 Winter Field Day
  • 1/28  Montana QSO party
  • 1/28 TRW swap meet
  • 2/4 Palm Springs Hamfest
  • 2/4 Vermont QSO party
  • 2/17-18 Yuma Hamfest
  • 6/24-25 Field Day (Kirk will be out of town)

Raffle:
1st prize to Bob who picked the 40 m transceiver kit
2nd prize to Kirk who picked the heat shrink tubing set
3rd prize to Teresa  who got the diagonal cutters

Meeting

September Club Meeting

Radio club meeting 9-29-16

Link to Slides

Members present:  Ryan, Teresa, Tom, Kirk, Ching

A6 shack:  The D8 shack will eventually go away if Aerospace gets rid of D8, the A2 shack is in need of some work, the A3 shack is owned by Security, and the D1 shack is VHF/UHF only and is on a private lab bench.  A new shack in A6 could provide additional capability as well as a roof-mounted antenna that could be used by the trailer (in the event that the building is still standing but not accessible to personnel.)  So far, all of the proposed rooms (the electrical room and the stairwell) have been rejected by management.  The new proposals include the old networking room and a Tuff Shed on the roof.  Electrical rooms in general may be problematic, which may spell trouble for the D8 and A2 shacks.

For A3, we need a replacement HF antenna as the old one is missing.  The two proposed choices are the Cushcraft R9 or the GAP Eagle DX.  Contact Kirk with your preference.

AEA Octoberfest:  Wed Oct 19 from 11-1.  We’ll have a table, 2 chairs, a canopy, and electricity.  Bob and Tom will be there and others are welcome to join them.  They will have the Buddipole, radio, and computer hooked up and will do a JT65 demo.

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Kirk’s satellite contact:  Arrow antenna.  50-50 Saudisat 1-C.  Heavens above app.

San Diego Hamfest was Saturday, Ham Con is coming to Torrance next year.

Christmas party:  Don will coordinate again.

Raffle:  Tom won first prize and chose the headlamp; Kirk won second and chose the screw driver set, and Teresa won third and got the tape measure.

 

Shack

A3 Antenna Report

On Tuesday August 30, 11:30 AM, Kirk Crawford (KK6KC), Thomas Essenpreis (KB9ENS), and Bob Lanahan (KK6YWY) investigated the antenna situation for the A3 Shack.  We disconnected All the antenna cables in the room and then Bob and I (KK6KC) went to the roof while Tom stayed in the shack to test.  We found that the HF Antenna is broken.  It had been obviously cut off.  This most likely happened when the roof was recoated.  The other antennas all seem to be present.  They are all monoband-verticals. See the picture below for a diagram:

A3 Roof Antennas
A3 Roof Antennas

We used a shorted SO239 connector to figure out which antenna is which and analyzed the antennas that we could.

The Antenna Cables that go to the shack are:

  1.  #38 70cm (440MHz)
  2. ATV
  3. #45 23cm (1.2 GHz)
  4. #43 2m (144 MHz) SWR=1.25 @ 144 MHz
  5. #39 1.25m (220 MHz) SWR  = 1.04 @ 219 MHz
  6. #41 HF (Antenna is broken)
  7. 23cm (1.2 GHz)
  8. #42 2m (144 MHz) SWR = 1.04 @ 145 Mhz

We connected antenna 8 to the 2m radio used for the morning nets, and the other 2m to the packet setup.

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We need a new HF antenna on A3 to replace the missing one. I recommend a multi-band vertical type due to the limited space on the penthouse.   Your recommendations are welcome.

The club should also invest in a multi frequency antenna tester that can cover all the antennas we have. The AA-1400 Antenna Analyzer by RigExpert was recommended by Tom. It is capable of measuring from .1-1400 MHz and costs about $1079 (on Amazon).

73,

Kirk Crawford

EDIT:

Some Pictures of the HF Antenna Mounting point:

HF Mount Viewed from below
HF Mount Viewed from below

HF Antenna Mount
HF Antenna Mount

 

Field Day, Meeting

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