l antennas

1415 links - and 47 categories

Antennas : 40M : 40 meter Vertical Antennas

Vertical bazooka antenna for the 40m - ON8IM
A quarter wave vertical omni directional antenna for 7 MHz Formulas for dimensions in feet ...

[ Hits: 135 | Votes: 7 | Rating: 6.85 ]

Antennas : Active

Mini Whip - Active HF Antenna - PA3DWC ^new
The author investigated electric field antennas and achieved promising results with a shortened active whip ...

[ Hits: 72 | Votes: 1 | Rating: 10 ]

Antennas : Beverage

Beverage Transformers for HF Receiving Antennas - KK5JY
This FAQ covers building and buying transformers for loop on ground and Beverage antennas Building ...

[ Hits: 22 | Votes: 0 | Rating: 0 ]
The Reversible BOGs - HC1PF
The author struggled with receiving antennas on his property After a standard Beverage on Ground ...

[ Hits: 23 | Votes: 0 | Rating: 0 ]
Beverage Lightning Protection - VE3VN
The article describes adding lightning protection to Beverage antennas which are long wires susceptible to ...

[ Hits: 14 | Votes: 0 | Rating: 0 ]
An Overview of Beverage Receiving Antennas - N0AX
This article explores Beverage antennas a type used for low frequency radio reception Despite the ...

[ Hits: 19 | Votes: 0 | Rating: 0 ]

Antennas : End-Fed

Multi-Band End-Fed Antenna Design for Limited Space - PA3DWC
This document details the construction of a multi band end fed antenna suitable for situations ...

[ Hits: 77 | Votes: 0 | Rating: 0 ]

Antennas : End-Fed : End Fed Half Wave Antenna

Full size 80m End Fed Half Wave Antenna - G4WIF
The author reflects on expanding their antenna for 80m coverage during lockdown They extend the ...

[ Hits: 99 | Votes: 0 | Rating: 0 ]

Antennas : Portable

Yaesu ATAS-120A Portable Tripod: Enhancing Efficiency - N6CTA
In this post by N6CTA discover the conversion of the Yaesu ATAS 120A screwdriver antenna ...

[ Hits: 88 | Votes: 0 | Rating: 0 ]

Antennas : Quad

3 Element Quad for 50 MHz - ON8IM
A 14 12 dBi gain three elements cubical quad antenna for the six meters band ...

[ Hits: 51 | Votes: 1 | Rating: 3 ]

Antennas : Receiving

Chokes and Isolation Transformers for Receiving Antennas - K9YC
Chokes and isolation transformers are essential for receiving antennas to mitigate common mode current which ...

[ Hits: 60 | Votes: 1 | Rating: 9 ]

Hamstick Experimentation: A Day of Surprising Results - WK4DS
In his POTA activation WK4DS experimented with radials for hamstick antennas Despite sun and RF ...

[ Hits: 44 | Votes: 0 | Rating: 0 ]

Antennas for QRP Operation - WB6BYU
Antennas for low power operation resemble those for 100W use Minor adjustments like capacitor voltage ...

[ Hits: 91 | Votes: 0 | Rating: 0 ]

Beverage Remote Switch - VE3VN
The author describes building a remote switch box to control the direction of two reversible ...

[ Hits: 40 | Votes: 0 | Rating: 0 ]

Reducing RFI from PoE Devices - KA7OEI
Hams can be annoyed by noise from PoE cameras and access points These devices and ...

[ Hits: 30 | Votes: 1 | Rating: 6 ]