df antenna

331 links

Monster Quads
N6LF tells us about his monster two element 40 meter quad with bonus three elements ...

[ Hits: 6376 | Votes: 0 | Rating: 0 ]

160-meters antenna problems and solutions
Bill Orr W6SAI ham radio techniques Improving ground connection computer analysis of the antenna modelling ...

[ Hits: 3518 | Votes: 6 | Rating: 9.3 ]
Single support gain antennas for 80-160 meters
On 80 and 160 meters an antenna with modest gain and good front to back ...

[ Hits: 3404 | Votes: 0 | Rating: 0 ]

Endfed 20/30 Mtr Antenna
Article with detailed pictures of an endfeed antennna for 20 and 30 meter band ...

[ Hits: 11351 | Votes: 4 | Rating: 4.75 ]

A 40 meters DDRR Antenna
A direct drive ring radiator antenna for the 40 meters band by W6WYQ QST article ...

[ Hits: 3409 | Votes: 8 | Rating: 3.37 ]

40-80 Dipole antenna - WA6ESC
A 40 80 dipole antenna design by WA6ESC PDF File

[ Hits: 2659 | Votes: 3 | Rating: 5.33 ]
A wideband 80 meter dipole
This worthy antenna is so simple and inexpensive you will want more than one by ...

[ Hits: 24563 | Votes: 13 | Rating: 6.46 ]
Using the half-square antenna for low bands
Can t put up a really high horizontal antenna for 80 meter DXing Maybe the ...

[ Hits: 3211 | Votes: 3 | Rating: 6.33 ]
Broadbanding the half-square on 80 meters
N6LF discusses a simple way to broadband the classic half square antenna to operate in ...

[ Hits: 2285 | Votes: 2 | Rating: 4.5 ]

Bruce arrays for 80 and 160m
Antennas with gain and bandwidth for 80 and 160 meters band Simple wire antenna capable ...

[ Hits: 9007 | Votes: 3 | Rating: 9.33 ]

An improved 40-80 double extended zepp
Article originally published in ARRL compendium by N6LF revisits the classic double extended Zepp to ...

[ Hits: 18768 | Votes: 10 | Rating: 6.53 ]

Better Feedline Loss Measurements with Antenna Analyzers
Various publications through the years have shown how the SWR measured on a shorted or ...

[ Hits: 1924 | Votes: 2 | Rating: 10 ]

Antenna Gain Comparison System
This device goal is to optimize homebrew antenna for the V UHF band This tool ...

[ Hits: 2212 | Votes: 12 | Rating: 5.58 ]

The K9AY Terminated Loop
A compact directional receiving antenna

[ Hits: 2467 | Votes: 5 | Rating: 6.6 ]
How to build the K9AY loop - AT technologies
This PDF document provided by AT technologies explains how to build the K9AY loop receiving ...

[ Hits: 8861 | Votes: 7 | Rating: 5.71 ]

Ultimate Portable HF Vertical Antenna
65279 A light and compact antenna that is easy to build and easy to find ...

[ Hits: 4371 | Votes: 3 | Rating: 8.67 ]

Optimizing half-wave sloper arrays for 160 meters
This article presents a 160 meter variation of this family of antennas and more importantly ...

[ Hits: 5242 | Votes: 2 | Rating: 7 ]

Getting the most from your tuner
Here is how to adjust this popular tuner circuit so it transfers maximum power to ...

[ Hits: 2828 | Votes: 3 | Rating: 6.33 ]

Short radials for ground-plane antennas
Think your elevated radials always have to be full size N6LF lets you in on ...

[ Hits: 2349 | Votes: 1 | Rating: 8 ]

The ZS6BKW Multiband HF Antenna
Antenna design from ZS6BKW G0GSF similar to the G5RV but it actually resonates on five ...

[ Hits: 6518 | Votes: 8 | Rating: 6.88 ]