AN OPEN LETTER TO AMATEUR RADIO - K4SX Amateur Radio Articles. AN OPEN LETTER TO AMATEUR RADIO. Magnetic Radiators - Low Profile Paired Verticals for HF. The Double Magnetic Slot Antenna for 80 Meters 80-20m Mag Loop - Nonstop Systems Magnetic Loop Antenna for 80-20 mtrs ... antenna that covers at least the 80 and 40 meter ... and should more than double the efficiency of the antenna on 80 m! 80-160 antenna for the small garden - PA1M - Amateur Radio
W1GQL's Reversible Parallel Slot Antenna
AN OPEN LETTER TO AMATEUR RADIO. Magnetic Radiators - Low Profile Paired Verticals for HF. The Double Magnetic Slot Antenna for 80 Meters AC6V's Homebrew Antenna Links. Fritzel FD4 OCF Dipole. Common-Mode Chokes . Adobe ® Acrobat Reader Required. Home SCVs: A Family Album - antentop.org For the open double magnetic slot, see Lew Gordon, K4VX, "The Double Magnetic Slot Antenna for 80 Meters," The ARRL Antenna Compendium, Vol. 4 (Newington: ARRL, 1995), pp. 18-21. 5 NEC-4 is a proprietary code of the Lawrence Livermore National Laboratory, University of California, from whom a user-license must be obtained. SCVs: A Family Album - antentop.org Indeed, the single rectangle above 160 meters is probably a worse choice than its companion double rectangle. Like the 160-meter version of the double rectangle, the 80-meter antenna displays a slight gain over a single rectangle with relative insensitivity to the spacing of the two wires. 80 meter antenna | eBay
LDF5-50 based Magnetic Loop Antenna | G4HSK
Jan 06, 2018 · The article, below, shows usage on 15 and 10 meters. HF Skeleton Slot Antenna by G3VCG (only difference between my H double bay and a slot is the feedpoint is at the bottom instead of in the middle) 73, Jeff NH7RO, May 30, 2017 #12. VK3FFSB Ham Member ... It talks about this antenna like it's some kind of "skeleton slot" magnetic loop thing ... The K4VX Linear-Loaded Dipole for 7 MHz - Nonstop Systems years in the design of 80 and 40-meter Yagis. One of the first antennas I can recall was the Hy-Gain 402BA, a 40-meter, The K4VX Linear-Loaded Dipole for 7 MHz ... supported by the antenna wires. After modeling with NEC-2, and later with NEC-4, I could see very little dif-ference between these two methods. Since the first method requires ... Double Bazooka Coaxial Dipole Antenna - Ham Radio Library Double Bazooka Coaxial Dipole Antenna Info The 80 Meter DOUBLE BAZOOKA antenna will operate on 80 through 10 meters with the aid of an antenna tuner. ... Next, measure down each leg 30' 6" from the center and cut a slot in the cover and shield, so as to be able to get to center conductor. ... 80-meter antenna - .\|/. H a y s e e d N e t w o r k s
(PDF) Design and Development of a 2.4 GHz Slot Antenna
Topband: Magnetic Slot Antenna - Contesting Jul 11, 2002 · The description on which I am currently focused appears on page 18 of the ARRL's Antenna Compendium, Volume 4, "The Double Magnetic Slot Antenna for 80 Meters" by Lew Gordon, K4VX. (Earlier references are to K5RP's "Magnetic Radiators--Low Profile Paired Verticals for HF" which appears on page 39 of ARRL's Antenna Compendium, Volume 2, and a
Magnetic Loop Antenna for 80-20 mtrs by Frank N4SPP.I want to do 80 mtrs DX, but I have no room for a decent 80 m wire- antenna, nor would I be able to install such an antenna highSo an air-variable capacitor may be immersed in oil to double its capacitance. It also doubles the voltage rating.
An In-Room, 80-Meter Transmitting Multiturn Loop Antenna A little wood, some wire and a handful of components can make a directional antenna for indoor use where outdoor antennas are not permitted. By Richard Q. Marris, G2BZQ See Feedback, May 1996 QST for corrections to this article.
Windom antenna - Astrosurf Dipoles and magnetic loops, 3. ... However, nothing prevent you to attach the ends a few meters above ground, or even against a ... With dipoles of low impedance (50-80 ohms) you can use either a flat twin feeder ..... In that perspective it is useful to fix below the joystick (broom-handle) a recessed slot to prevent it slipping. Build These Great Antenna Projects - Survivor Library Apr 24, 1992 ... 80 QRP. 7 QRX. 98 ~ndom Output. 78 RTTYLoop. 94 73lntematlonll. 74 Special Events ..... allocation in the sections of the 2 meter band listed above ... called the balanced double gamma feed sys- tem. The new ...... Magnet wire antennas work fairly well, but it's ...... wobble in their slots, and a label template. Design and Experimental Evaluation of Modified Square Loop ... - NCBI