All aluminum mast from harbor freight tools for $49.95 cheap temporary fix until my tower goes up in a few weeks.
November 18, 2016 · The all new Force 12 Flagpole Antenna line, designed by QST author John Portune, W6NBC, are selling extremely well and helping a lot of hams with HOA deed restrictions or who just want a 'low visual footprint' get on the air. It's a NO-radials, vertical dipole 80-10/6m antenna.
That's the goal with our 10-band vertical-dipole (aka "DX Flagpole") but feeding our OCF antenna just doesn't work that way. There is a sequence to the "feed system" that is required for higher performance. Tune in below for more information from one of the antenna sages of our time, Mr. John Portune.
Dec 29, 2019 · Current ham radio news W8S Team will be active from Swains Island, IOTA OC – 200, 10 – 25 March 2020. via Current ham radio news December 28, 2019 at 07:13AM via RSS Feed Current…
Jul 12, 2018 · The Chicken Wire Wonder_ A Unique Broadband Vertical Antenna for the HF Bands_ Tom Warnagiris K3GSY_ QEX 2009.pdf: 998K: 09-Dec-2014 02:41: The Circular Eleven Antenna_ A New Decade-bandwidth Feed for Reflector Antennas with High Aperture Efficiency_ J Yin_..> 7M: 27-Feb-2017 05:44
Sometimes things don't work as planned. This antenna was supposed to work for the 6m FM band on 51.5MHz. It is actually a vertical dipole as a quarter wave a...
Jan 04, 2020 · Current ham radio news A team consisting XE1SPM, XE1AY, XE1SRD and XE1SY plan activity from Perez Island NA-153 as 6F3A during February 11-17, 2020. This IOTA has been claimed by less than 5% of island chasers.
Slot antennas are used typically at frequencies between 300 MHz and 24 GHz. The slot antenna is popular because they can be cut out of whatever surface they are to be mounted on, and have radiation patterns that are roughly omnidirectional (similar to a linear wire antenna, as we'll see). The main category is Vertical antenna projects for 7 MHz that is about vertical antenna projects for the 40 meters band. This link is listed in our web site directory since Sunday Mar 27 2016, and till today " High Performance 40 Meters Vertical " has been followed for a total of 1923 times.
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It is an extremely short vertical radiator with a large capacitor ... How does this W6NBC “derivative of the classical slot antenna” work? Related. 12.
Using an article in the March, 2007 issue of QST by John Portune, W6NBC, for the basic design, Howard built a tilt-up compact HF loop, mostly of 3/4 inch copper pipe -- with some PVC pipe and fittings. Today, November 2, 2007, Howard and I set up the antenna in my driveway in Byrnes Mill.
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With a few hours of your time and some parts costing between $20 and $40, you can have a high performance vertical dipole which can be fed by 50-ohm. Thanks to Dave Tadlock (KG0ZZ) for this simple 2m/70cm vertical dipole antenna project. This antenna is perfect for deed - restricted housing and field operations. Introduction to high-performance, all band, OCF Vertical Dipole antenna systems and DX Flagpole Antennas by Greyline Performance, as presented by antenna des...
Ham Radio's Premium Stealth Flagpole Antenna. These HF vertical antennas are approved in HOA communities, by discerning tastes of XYL, family, and fussy neighbors. No Radials, self-supporting, easily installed, low angle, low noise, very efficient, high-performance radiators from 160-6M. Smart, strong, elegant.
Many hams have asked for optimized antennas for multiple band operation, so we challenged antenna designer, QST author, and an inhabitant of a neighborhood where towers and Yagis would not go down well, John Portune, W6NBC, to come up with a compact vertical dipole which would be ATU "friendly" delivering good-to-excellent VSWR matches on ...
These are magazine articles on ham radio topics that have been published by W6NBC. Any one of them can be presented in a live remote club meeting. ... Double inverted Delta No-Radial All-Band HF Vertical 30 ft, low noise, horizontally polarized vertical with the azimuth gain Less noticable than a beam on a tower but similar gain
Jan 06, 2020 · Current ham radio news Russian Robinsons team members plan their next expedition. This time they’ll QRV from Palestine as E44RU with strong focus on low bands during January 6-14, 2020.
Aug 18, 2016 - Force 12 FPA-20F-OCF Flagpole Antenna | 80m - 10m | Off Center Fed Vertical Dipole | Only 20 Feet Tall! | No Radials!
1 hour ago · Sloper_ sloping,40m Band,INDOOR ANTENNA for 7 mhz,7 Mhz VERTICAL,Hentena_for_40m,40 y 80 metros,Stealth Vertical. I'm SWL since 1971 and began listening in 1988 on 6 meter. A Ham Radio net is a gathering of amateur radio operators on the air. The place for amateur radio in Southeast Kansas!
Full 1/4 wave vertical for 40m, ON7AMI: High Performance 40 Meters Vertical, W6NBC: Indoor antennas for 40mt, EA5XQ: L'antenne W3HH - T2FD, ON5MJ: Kapazitive Antennen 7mhz and 3,5, DL7JV: Multi Band cage Dipole Antenna Project, N3UJJ: Prototipo di antenna per i 7MHz in 22cm, IW0BZD: Quad cubical 40 mts, CE4WJK: Shortened with 40 turns trap 7 ...
“Superior Performance from a Unique HF Vertical Loop” by John Portune, W6NBC “A 630-Meter Mini Antenna that also Works on 160 Meters” by David Day, N1DAY; Ernie Hollingsworth, KC4SIT, and Sid Hendricks, W4IOE “A Multiband Flagpole with Dual Top Hat Wires” by Donald P. Crosby, W1EJM
multiband vertical portable antenna home made ( ) ...
There are various reasons that I prefer the K3 as my main station rig. One of the best features, for me, is the built in antenna switch. I can switch between the vertical and the wires in an instant, and use whichever antenna is best suited for the job. The KX3 only has the single antenna input.
Supplemental Files – ARRL Antenna Book, 23rd Edition Supplemental files are included on the CD-ROM. They include additional discussion, related articles, additional projects, construction details and other useful information.
The stack of gear under the lamp includes a speaker for the FT-857, an Alinco DR-130 FM rig, the controller for a 5 position Ameritron coax switch for the HF antennas, and the servo tuner/vertical matching controller. For a South-centred rotator this will be "0"; for the more common North-centred rotator, set the offset to "180".
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Dec 08, 2018 · “Superior Performance from a Unique HF Vertical Loop” by John Portune, W6NBC “A 630-Meter Mini Antenna that also Works on 160 Meters” by David Day, N1DAY; Ernie Hollingsworth, KC4SIT, and Sid Hendricks, W4IOE “A Multiband Flagpole with Dual Top Hat Wires” by Donald P. Crosby, W1EJM
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40 Meter Vertical Loop Antenna
High Performance 40 Meters Vertical Without Radials. Keyword-suggest-tool.com ground plane antenna with radials . By John Portune W6NBC . I wanted high efficiency 40 Meter antenna with low-angle radiation.
High Performance 40 Meters Vertical Without Radials. Keyword-suggest-tool.com ground plane antenna with radials . By John Portune W6NBC . I wanted high efficiency 40 Meter antenna with low-angle radiation. My inverted-V at 40 ft. performs well, but is “a cloud burner,” good for local contacts within 500 miles.
multiband vertical portable antenna home made ( ) ...
John Portune, W6NBC, approaches the “home brewing” aspects of direction­ finding equipment in an article on pages 44­45. Also, his five diagrams and photos cover the ways in which you can enhance your effectiveness with some personal modifications. LOW PROFILE VERTICAL KEEPS NEIGHBORS HAPPY IN SUN CITY CENTER, FL.
the design above is a center-fed vertical dipole. one advantage is simplicity of construction; however there are several practical disadvantages; namely that the feedpoint is halfway up the antenna, and that the feedline must "exit" the antenna proper at a 90degree angle for some distance (at least 1 meter would be a good idea).
* QST 2009 ARTICLES * December 2009 ANTENNA: 160 and 80 Meter Matching Network for Your 43 Foot Vertical #1 30-32 ANTENNA: Antenna Patterns - What Do They Mean? W1ZR X CW: Beyond the Straight Key, the CW fast lane.
High Performance 40 Meters Vertical Without Radials. Keyword-suggest-tool.com ground plane antenna with radials . By John Portune W6NBC . I wanted high efficiency 40 Meter antenna with low-angle radiation.
Sometimes things don't work as planned. This antenna was supposed to work for the 6m FM band on 51.5MHz. It is actually a vertical dipole as a quarter wave a...
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Elevated Vertical Antennas for the Low Bands: Varying the Height and Number of Radials A 75/80 Meter Full-Size 1/4-λ Vertical Guy Hamblen AA7QZ/2 Glenn Rattmann K6NA EWE “Four” Me James B. Smith VK9NS Using the Half-Square Antenna for Low-Band DXing Rudy Severns Bradbanding the Half-Square Atnenna for 80-Meter DXing R. Dean Straw N6BV
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Draw the lewis structure for brf with an arrow representing the dipole moment