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Author Topic: My Morse Learning Campaign  (Read 364639 times)
WB2WIK
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Posts: 21837




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« Reply #315 on: September 29, 2014, 02:31:13 PM »

Martin:  I also suggest you research the trap design you've chosen.  It's my understanding that the coax traps aren't the best way to go.  If you feel that my "understanding" is in error, please disregard.

I sincerely wish you the best with the antenna negotiations.  You certainly have earned this 'victory' when you finally get it!!  Mercy!!

Everything's a trade-off, but to make coaxial cable traps as efficient as other designs, you'd need to use really thick coax.

W8JI explains why here and includes some actual measurements on bandwidth, losses, etc: http://www.w8ji.com/traps.htm
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KB1WSY
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Posts: 1309




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« Reply #316 on: October 01, 2014, 02:23:47 AM »

Quick update:

I now have nearly all the materials for the antenna and grounding system apart from the coax feedline which should arrive soon. To save time and maximize efficiency of my 4-watt setup, my first antenna will be a monoband 40m dipole. (So the whole issue of traps can wait until I need to add another band.)

The negotiations to obtain permission from the various property owners to hoist this inverted-V are proceeding well and I am cautiously optimistic of a positive resolution soon. The discussions began with generalities and have now progressed to details, which is a good sign.

Meanwhile my CW skills are in a holding pattern. I've been awfully busy with my regular job. Mostly I've just been monitoring the bands, and the ARRL code transmissions (no time for the computerized drills with Lucy, Bob and cohort). My copying is so-so but I'm sure it will get a boost as soon as I Get On The Air.

73 de Martin, KB1WSY
« Last Edit: October 01, 2014, 02:26:53 AM by KB1WSY » Logged
KB1WSY
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Posts: 1309




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« Reply #317 on: October 25, 2014, 05:10:03 AM »

As of today, the antenna-installation work (digging a trench, tunneling under a flagstone path and underneath the property-boundary wall, burying a PVC pipe for the coax feedline, driving the ground rod, bonding it to utility ground, installing a PVC junction box, placing a surge arrestor and camouflaging the visible parts of the setup with color-matched outdoor paint) is proceeding well and could be finished in the next few days. I wanted to get this done before the winter weather arrives in earnest here in New England.

Actually hoisting the antenna (that simple 40m monoband wire dipole) remains contingent on getting permission from the neighbors, whose tree would be used as the center support. They have asked some more questions and I'm waiting for their response to my answers.

Meanwhile I would say that my CW skills are in a process of slow deterioration, largely because of numerous non-ham commitments. The small amount of spare time that I have was devoted to the above-mentioned antenna preparation work.

73 de Martin, KB1WSY
« Last Edit: October 25, 2014, 05:13:53 AM by KB1WSY » Logged
KB1WSY
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Posts: 1309




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« Reply #318 on: November 08, 2014, 04:26:57 PM »

To hoist my simple wire dipole, I now have permission from two of the three owners of the tree that will be the central support. The third owner is still asking for a few assurances but I am optimistic that I will get his permission too. Meanwhile my Morse skills have deteriorated substantially, because of life/work commitments, but I'm hopeful it won't take more than a couple of weeks to get back into the saddle.

73 de Martin, KB1WSY
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K8AXW
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Posts: 7039




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« Reply #319 on: November 08, 2014, 05:19:03 PM »

Martin:  Sounds like you live in North Korea!  Surely the wives are involved with this "negotiation!"  Roll Eyes

When you get the skywire up then the code copy ability will rapidly increase because  once you are "ready to rock and roll" you'll find the "non-ham" activities can "go to hell !!"   Grin
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A Pessimist is Never Disappointed!
W7ASA
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Posts: 545




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« Reply #320 on: November 08, 2014, 07:11:11 PM »

Al Said: "...non-ham" activities can "go to hell !!"   Grin

He is WISE - Listen to him!



Moo-ha-ha-ha!
73 de Ray
W7ASA ..._  ._
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AC2EU
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Posts: 1489


WWW

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« Reply #321 on: November 08, 2014, 07:35:01 PM »

This may be the longest 'antenna raising" task in AR history!!!!!  Roll Eyes Grin
Call Larry the cable guy to "git 'er done!"
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KB1WSY
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Posts: 1309




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« Reply #322 on: November 09, 2014, 03:58:18 PM »

To view the preliminary antenna work so far, here's a photo album:

https://picasaweb.google.com/114229926311767860862/Antenna_02_Trench?authuser=0&authkey=Gv1sRgCO3Flu3rstqASg&feat=directlink

(For best results, click on the first photo, and then click on the "full screen" icon at the top left.)

I realize this would usually belong in the Antenna forum, but as far as I'm concerned it's just one small episode in my CW journey....

By the way, for physical fitness, I highly recommend one week of work with a pickaxe, a shovel, and an 8-pound sledgehammer!

73 de Martin, KB2WSY
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M0LEP
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Posts: 519




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« Reply #323 on: November 10, 2014, 05:39:12 AM »

a pickaxe, a shovel, and an 8-pound sledgehammer!
That's some serious excavating. The "sidewalk sleever" looks like a handy bit of kit. Hope you have your antenna up soon.
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SHORTWIRE
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Posts: 109




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« Reply #324 on: November 11, 2014, 01:37:12 PM »

To view the preliminary antenna work so far, here's a photo album:

A ground rod?
For a Dipole??  Roll Eyes
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SHORTWIRE
Member

Posts: 109




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« Reply #325 on: November 11, 2014, 01:49:50 PM »

This may be the longest 'antenna raising" task in AR history!!!!!  Roll Eyes Grin
Call Larry the cable guy to "git 'er done!"


It does sound as if Martin is needlessly complicating things for himself.

I've once had my share of OCDs, and I think I can recognise the signs..

First, the homebuilt gear must be absolutely perfect.

Second, all permissions, including that from the neighbours cat, must be signed in triplicate..  Grin

Third, everything must……..(insert next excuse here)  Undecided


Hint: MagLoop, Tune, Done!
Then keep a lookout for yourself on Reversebeacon.net or pskreporter.info

If they can't hear you, no one can..
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LB3KB
Member

Posts: 247


WWW

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« Reply #326 on: November 11, 2014, 06:48:43 PM »

To view the preliminary antenna work so far, here's a photo album:

A ground rod?
For a Dipole??  Roll Eyes

Are you suggesting that your station does not need to be grounded if you use a dipole ?


73
K4NL Sid
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PA0KDW
Member

Posts: 104




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« Reply #327 on: November 11, 2014, 09:03:37 PM »


Are you suggesting that your station does not need to be grounded if you use a dipole ?

73
K4NL Sid
CW is messed up with antennas.

Sure you don't need a ground rod, a plane pilot told me over the radio while airborne.

For the radiation a symmetrical antenna is its own counterpoise, and for lightning the tree is the ground rod, and he has to decouple antenna from the set anyway during thunderstorms.

As far as I see, the project does not invite for experimentation.

73 Frans
« Last Edit: November 11, 2014, 09:08:32 PM by PA0KDW » Logged
AC2EU
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Posts: 1489


WWW

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« Reply #328 on: November 12, 2014, 07:55:39 AM »

dipole grounding:
Yes it will work without a ground, but it's not safe.
Also, there is a whole procedure for doing this properly in the US N.E.C.
Even if you don't get a direct hit, static will build up on ungrounded antennas under various conditions-enough to damage the equipment!

My dipoles run to a grounded master remote switch( shuts unused ants to ground) which is part of the ground system that also shunts the coax to ground again just before it enters the shack.  All stray reflected RF ( if any) is shunted to the earth and hopefully all of the lightening and charge energy will go there too.





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KB1WSY
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Posts: 1309




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« Reply #329 on: November 12, 2014, 06:59:32 PM »

Those of you who say I am OCD may be correct.

Those of you who are criticizing my attempt to get permissions should remember that I am a renter. I'm an old European Socialist but that doesn't prevent me from having a healthy respect for property rights.

I don't own my own apartment, or the plot that it stands on, and the proposed site of my antenna isn't even on my own landlord's property, but on a tree that belongs to the neighbors. If you are a property owner yourself, please imagine your reaction if a random person who was renting an apartment in the building next door to your house/yard erected an antenna in a tree that you own, without your permission. I am very close to getting formal permission from all of the property owners; is there something wrong with wanting to dot the i's and cross the t's in such a situation?

And anyway, what's the %@$! hurry? Don't we all have lives to lead, outside ham radio? I'm proceeding to get on the air, at my own pace. It looks like it may take quite a while longer. So what? (Eh alors?)

Concerning the grounding issue: remember that there are other parties involved. It wasn't that hard to comply with NEC (National Electrical Code http://www.nfpa.org/codes-and-standards/document-information-pages?mode=code&code=70) and doing so takes all sorts of neighbors' (and landlords') objections off the table. What's the problem?

Hmmph!

Best of 73's from

Martin, KB1WSY
« Last Edit: November 12, 2014, 07:17:36 PM by KB1WSY » Logged
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