Category Archives: Shack

VarAC HF Chat Reinvented – February 2024 Mtg

On February 28 2024 11:30 AM PDT we had a meeting. Our presentation was on VarAC a new HF Chat mode. Doug McNulty (KM4GC) and Bob Lanahan (KK6WYW) gave the talk. I presented a few slides at the beginning about our A3 Antenna status and the EOC trailer status.

Kirk’s Slides

Doug and Bob’s Slides

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VarAC Slides

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Recording of the Meeting

Recording is here available to Aerospace Employees

Leaky EOC Trailer

On Monday 2/12/24 I went to the EOC Trailer in the south lot of A6 in order to retrieve the bracket for the A3 Antenna Tower. I discovered that the trailer had leaked extensively during the recent storms. The carpet is wet, there is visible drips in the ceiling and some mold. See the below pictures:

Ceiling inside the trailer with drips visible on the support bar.
I believe the white spots on the wall are mold
State of the roof on Monday. Needs repair.

On Tuesday 2/13/24 KN6OJH and I (KK6KC) were able to install a tarp with bungees that I purchased the night before with club funds. We removed all of the antennas before we put up the tarp. We will have to plan on fixing the roof once the winter is over. But this tarp should hold us till then. See the installed tarp below.

KK6KC and KN6OJH with the now tarped trailer.

2023-09 Ham Club Meeting

On September 28, 2023 at 11:30 AM PDT we had our HAM Club Meeting in A3/2226MMC and on Teams. This time we watched a recording of how to make a QSO. We had 4 people in person and 11 on teams.

Kirk’s Slides

A3 Antenna

Here is a link to the Gap Eagle Antenna we will be putting on top of A3.

Presentation

The main presentation was a video from Anthony Luscre K8ZT His slide deck is here with all the links.

Recording

Here is a recording of the meeting. Note: this will only work on the Aerospace Network.

D8 Amplifier Circuit Installed

The new circuit and outlet has been installed for the new D8 Amplifier. It will be on the air soon.

D8 Amplifier Outlet (on the left) The other stuff is powered in the center.
  • This is a 240V 20A circuit because the amplifier takes 195-250 VAC, 50/60 Hz up to 20A supply voltage
  • The outlet for the old amp was on the South Wall and would require a extra long power cord. I had the outlet moved here so it is near the other outlets used by the station and won’t require a new power cord.

D8 Amplifier Unboxing

Today I brought the new Elecraft Amplifier to the D8 shack and took it out of the box.

New Amp on top of old Amp

its footprint is a bit smaller than the old amp, but it comes in two parts with the power supply as a separate unit.

Back of amps.

It has a 20 amp AC plug but different style than the old amp. I will have to have the electrician install a new receptacle. While I do that I will have it moved to the West wall since that will be behind the amp. The current receptacle is on the south wall and requires a longer cord.

Everything arrived with the package. Cables, manual etc.

73, Kirk

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!

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Meeting Recording

80M Vertical Straightening

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

January 2021 Meeting

January Meeting Title
Meeting Invitation Slide
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Recording of the meeting:

Sep 2018 CLUB MEETING

At 11:45 AM on 27 Sep we had our meeting of the AEA Amateur Radio Club. We met in building A3, conference room 1607B. We had Skype up via the laptop, we shared our presentation charts, audio was fair, with drop-outs. We did not have an audio recording of the meeting.

Our topics included:

    1. Chantilly Ham Shack briefing – Tom
    2. Slides: Octoberfest, Upcoming events, club banner – Kirk
    3. Additional topics:
      • RF shack assessment, why does all our radio equipment have new stickers?
      • Safety & Facility Office is working to give us permission to install replacement HF antenna on the A2 building roof

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    4. Future meeting topics are as follows:
      • Oct – Bob – Directional Antenna Fox Hunt
      • Nov – Ryan – Satellite Contact
      • Dec – Club Holiday Party on 13 Dec at the Proud Bird
      • Jan – Bob – VHF Winlink Demo

Slides for September Meeting

Attendees were:

  • Kirk Crawford KK6KC
  • Tom Essenpreis KB9ENS
  • Bob Lanahan KK6WYW
  • Ryan Noguchi (Skype)
  • Jeff Light (Skype)
  • Michael Stanitis (Skype)

73, Bob Lanahan