copper foil dipole on glassstealth qrz forums

RM9WY = Моя мобильная КВ антенна. Версия третья - кв ...

12.10.2013 Ещё одна инетесная статья ON4BAI - Vertikal Dipole 10-40m Набольшой по высоте и занимающий площадь всего 140 см радиусом на земле ... NOLX Copper Foil Spiral as Counterpoise - использование ... r9w.qrz.ru @ Статистика сайта ...

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When Copper Foil Won't Stick To Your Stained Glass ...

The adhesive holds the copper foil in place on the glass but it's really not the adhesive that holds your project together? Back before adhesive backed foil was brought to market, plain copper sheets were used instead. Sheets without any adhesive, were cut into strips and placed around the edges of the glass. But this won't hold, you say?

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Antennas – Page 24 – owenduffy

A ham in search of good advice asked in QRZ forums dB, dBi, and dBd: I have a loose grasp of these terms and their relationships. Is there any way to rule of thumb the gain of any antenna over a dipole over earth? Popular ham opinion. The following quotes are taken from the online discussion (eHam 2011). Continue reading dB, dBi, and dBd

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Laminated foil WiFi antenna. | QRZ Forums

Oct 24, 2019· I just have no idea of calculating the dimensions needed, or if a straight dipole would work rather than a folded dipole as the main element, or if the folded dipole could work if made of foil in 2 dimensions. Basically there is a lot I don't know! But the main reason for doing this is to learn about them.

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Radio – M0LMK

I had a great time working /P from the New Forest with the 857 man pack and a 40M dipole strung up between 2 tall trees. I was using 25W on 40M and managed to work plenty of inter-G stations with Swansea, Newcastle, Chelmsford, Aberdeen, Bristol and .

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SolderSmoke

25 April 2020. Obviously no travelogue. QUARANTINE. SITS. Good news: Lawyers at Dewey Cheatham and Howe report that SolderSmoke will NOT be taken off .

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G5RV and End Fed Diople And G7FEK – WD7ALE

One is 14 gauge stranded, the other is a smaller, single copper strand. I am using a home brew ladder line with wire spaced 4 inches apart. My backyard has a moderate slope so that the north end is slightly higher than the south end, but the antenna is 24′ about the ground from end to end. I have a 40 meter dipole which I used to compare ...

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G8YPH: July 2015

Jul 30, 2015· A long term modification would be to replace the aluminium with self adhesive copper foil wrapped around the case with a soldered connection to the ground. However for the time being the aluminium works well. The sound card automatically picks up the necessary drivers from Microsoft's Windows Update site and the driver it uses is: USB PnP Sound ...

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More Breaker Panel Mess | Page 2 | Electronics Forums

Jan 01, 2006· Search Forums; Recent Posts; Page 2 of 3 < Prev 1 2 3 Next > Scroll to continue with content. Dec 16, 2005 #21. Marc Guest. Yes, thanks to all, especially markvictor. Very lucid, concise and unambiguaous. Dec 17, 2005 #22.

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M0LMK – Radio amateur, experimenter and evil genius.

I had a great time working /P from the New Forest with the 857 man pack and a 40M dipole strung up between 2 tall trees. I was using 25W on 40M and managed to work plenty of inter-G stations with Swansea, Newcastle, Chelmsford, Aberdeen, Bristol and .

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tudo sobre a Tak Tenna by diney monteiro escafura -

My dipole does better, but the antenna works and is really small. Materials and Tools KG-UVD1P Dual Band Radio Wouxun Dual Band handheld radio 136-174 and 400-470 Mhz

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Amazon: copper foil

4 Pack Copper Foil Tape with Conductive Adhesive 4 Sizes (0.2/0.24/0.3/0.4Inch) x22Yards Copper Tape for EMI Shielding, Slug Repellent, Paper Circuits, Electrical Repairs, Grounding. 4.5 out of 5 stars 106. $10.89 $ 10. 89. Get it as soon as Mon, Dec 14. FREE .

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eHam

The total cost of the purchase came to $415.20 Building a simple dipole antenna using #12 wire and coax cost $30 so for a total of $445.20 YOU ARE ON THE AIR! This is for a decent HF station. For the price of a new HT lets say $200! you will be able to enjoy the hobby too.

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RFI TIPS AND TRICKS for the ham radio operator

This may be solved by strapping the TNC case to your station ground with a short piece of stranded copper wire. If your buying a TNC, get one with a metal case. If you have one with a plastic case, try covering it with foil or placing it inside another metal case or box and bonding the foil or box to .

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M0LMK – Radio amateur, experimenter and evil genius.

I had a great time working /P from the New Forest with the 857 man pack and a 40M dipole strung up between 2 tall trees. I was using 25W on 40M and managed to work plenty of inter-G stations with Swansea, Newcastle, Chelmsford, Aberdeen, Bristol and .

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Blog | Active Elements | Active Elements – working to ...

On the 40m band, the traps isolate the final 20 feet of wire on each side of the dipole, but the whole length of the antenna is used on each of the other bands. Because of the 40m traps, The trapped dipole can be tuned on multiple bands with an internal Antenna Tuning .

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G5RV and End Fed Diople And G7FEK – WD7ALE

One is 14 gauge stranded, the other is a smaller, single copper strand. I am using a home brew ladder line with wire spaced 4 inches apart. My backyard has a moderate slope so that the north end is slightly higher than the south end, but the antenna is 24′ about the ground from end to end. I have a 40 meter dipole which I used to compare ...

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eHam

Even a vertical dipole (incorrectly claimed by some not to need a ground screen over lossy ground) is a poor use of a tree compared to a dipole at any reasonable height. It takes a branch at about 35 feet to hang a vertical dipole for 20m, and in my experience a horizontal dipole at that same height would win hands down ... even for DX.

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Why are Copper Foil Properties Important in High Frequency ...

As a general statement, there are two types of copper used in the Printed Circuit Board (PCB) industry- Electro Deposited Copper (ED) and Rolled Copper. In t...

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eHam

In fact, the copper tube diameter was chosen not for any perceived electromagnetic need, but because it fit the matching components. By the way, I have been completely unable to find the so-called patent on this antenna. In the QRZ.COM article, the claim was made that there was a patent on the EH that was separate from the CFA.

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More Breaker Panel Mess | Page 2 | Electronics Forums

Jan 01, 2006· Search Forums; Recent Posts; Page 2 of 3 < Prev 1 2 3 Next > Scroll to continue with content. Dec 16, 2005 #21. Marc Guest. Yes, thanks to all, especially markvictor. Very lucid, concise and unambiguaous. Dec 17, 2005 #22.

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eHam

Now I like to build antennas, and 12 years of living in New York City, the mind will churn out creative solutions to space issues. I have tried all the classic restricted space scenarios, the hidden long wire, the hamstick dipole, the shortened vertical, the indoor dipole, I even tried an EH antenna.

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eHam

2)Make a cone antenna out of aluminum foil. 3)A magnetron is a terminal,1 port power osc/L.o. for rx. One could an empty coffee can from the coffee machine to make an excellent RX ANT. for a microwave oven. The transmit power of a microwave oven is 600W-2000W out. The aluminum foil funnel ant. has about [email protected] ghz. 8000W ERP is not too bad.

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Amateur (Ham) Radio BS and Callsign Thread! | Page 213 ...

Dec 04, 2018· HF End Fed Dipole UJM-EFHW-80-10 200W 80-10m / NO TUNER NEEDED!! / 130 ft long $104.99 3m VHB 4" X8" Double Sided Foam Adhesive Sheet Tape 5952 Automotive Mounting Industrial Grade Very High Bond 5952 (1 sheets 4"x8")

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antenna theory - When and why does the size of a ground ...

Consider these three cases: My understanding is that when building or installing an antenna designed to operate over a ground plane (e.g. a quarter-wave vertical), the size of the ground plane does not matter (e.g. the earth, possibly coupled using additional radial wires, or a car roof of unspecified size), provided that it is sufficiently large compared to the wavelength.

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How to Choose the Right Copper Foil for Your Works of Art ...

Creating distance in your piece can be done by making the foil lines thinner in a gradual way. For that, you'll want 3/16" or 5/32" copper foil used sparingly to add these touches of details. So long as you're not using thinner bits of solder lines on the entire project, it will stay strong. 2. Foil thickness. Foil is measured in mils.

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eHam

Even a vertical dipole (incorrectly claimed by some not to need a ground screen over lossy ground) is a poor use of a tree compared to a dipole at any reasonable height. It takes a branch at about 35 feet to hang a vertical dipole for 20m, and in my experience a horizontal dipole at that same height would win hands down ... even for DX.

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Copper Sheeting, Copper Foil Rolls - All Foils, Inc.

Copper is an influential metal for both industrial and consumer applications. Our copper foil inventory consists of Electro Tough Pitch (110 alloy) and Oxygen Free (102 alloy). We also have copper foil sheeting and other copper foil sheet products that are Hot Tin Dipped to enhance solderability.

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Earth grounding of radio shack | All About Circuits

Aug 07, 2014· Forums. Hardware Design. ... Float the RX and TX from house wiring via iso transformers and install a separate RF ground of copper foil connected directly to the common point AC ground. ... This makes the properly matched antenna into a electrical equivalent of a 1/2 wave dipole for a 1/4 wave element as the charges in the driven element wire ...

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The Dark Side of the Conjugate Match [Archive] - QRZ Forums

Actually, we shouldn't be too harsh. The whole idea of a non-radiating transmission line was to somewhat remove one source of high voltage R.F. from the immediate vicinity of a gasbag the size of Milwaukee filled with hydrogen. For some peculiar reason, certain white-smocked hand-wringers were a bit nervous about sources of high voltage R.F. being right next to a gasbag the size of Milwaukee ...

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PA7MDJ Amateur Radio Blog: 2017

I've already acquired the needed 36" foil balloons (I'm planning on flying the lightweight payload on a single balloon), 0.1 and 0.2 mm enameled copper wire for the dipole antenna, and 52x19 mm and 39x19 mm solar cells, 100 of each. The solar cells are rated average 0.5 V / 300 mA / 160 mW and 0.5 V / 240 mA / 120 mW respectively.

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