40 m

863 links - and 11 categories

NVI 40 Meter Antenna Modeling
The idea of using a low mount dipole enhanced with reflector wires directly beneath the ...

[ Hits: 3009 | Votes: 0 | Rating: 0 ]
W1ZY 40 meter moxon antenna - W1ZY
W1ZY s 40 Meter MOXON is the product of 9 months of experimentation The final ...

[ Hits: 3347 | Votes: 2 | Rating: 6 ]
JA7KPI Windom antenna for 40-80 - JA7KPI
The total length of this antenna is 41m height is about 11m and diameter of ...

[ Hits: 7716 | Votes: 8 | Rating: 6.25 ]

Short 40m dipole
The GM4JMU Shortened 7Mhz Dipole

[ Hits: 1394 | Votes: 1 | Rating: 8 ]
Rotary Dipole for 30 and 40 meters band
Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band ...

[ Hits: 10407 | Votes: 1 | Rating: 2 ]

40-meter Rectangular Loop Antenna - NC4FB
A 40 meter antenna that provides good local and regional coverage during the day and ...

[ Hits: 2255 | Votes: 2 | Rating: 3.5 ]

The Hudson antenna
A vertical antenna for 80 and 40 meters project with lots of assembling pictures and ...

[ Hits: 2816 | Votes: 1 | Rating: 10 ]
40m broadband vertical antenna
A loopy loop loaded vertical antenna operating range 7 0 to 7 3 MHz by ...

[ Hits: 6572 | Votes: 15 | Rating: 7.52 ]
Backyard 7 Mhz Vertical
A vertical antenna for 40 meters band by PA5MW

[ Hits: 1330 | Votes: 0 | Rating: 0 ]
A portable 10/20/40 mt vertical antenna - IK4DCS ^pop
A portable vertical antenna for 10 to 40 meters designed for mobile operations can be ...

[ Hits: 81666 | Votes: 55 | Rating: 5.01 ]

QRP Fan Dipole - M0WYM
Attic Fan dipole antenna that allow to operate QRP from 40 metres to 10 metres ...

[ Hits: 8499 | Votes: 8 | Rating: 5.63 ]

Four square phased verticals - TK5EDP
This page is a short description of the four phased verticals system i ve build ...

[ Hits: 3259 | Votes: 16 | Rating: 6.76 ]

HF Magnetic Loop Antenna
Local and DX contacts from tight spaces it works from 40 to 17 meters ...

[ Hits: 2428 | Votes: 2 | Rating: 7 ]

6-Band Windom antenna - ON4AA ^updated ^pop
Theory and construction of a novel trapless center loaded off center fed cl ocf dipole ...

[ Hits: 50585 | Votes: 46 | Rating: 6.89 ]

Types of Coax in Satellite operations - AMSAT
Coax is a very important part of a satellite station It is almost as important ...

[ Hits: 2398 | Votes: 1 | Rating: 9 ]

IZ3DVW/B
40meter band beacon on 7,039.6 MHz

[ Hits: 845 | Votes: 3 | Rating: 6 ]

Contest University
After a year of preparation 150 students and 11 professors participated in 10 hours of ...

[ Hits: 601 | Votes: 0 | Rating: 0 ]

A low cost 600 watt ultra-linear amplifier ^pop
This compact little amplifier is the brain child of Pat Murdoch ZL1AXB in Auckland New ...

[ Hits: 32130 | Votes: 27 | Rating: 6.67 ]

40 meter QRP Transceiver
This semi homebrew QRP low power CW transceiver is based on the ARK 40 transceiver ...

[ Hits: 9487 | Votes: 7 | Rating: 6.85 ]
500mw CW Transmitter - W3FQJ
A very quick and easy way to get on the air is to build a ...

[ Hits: 9555 | Votes: 9 | Rating: 5.78 ]