9 simple

83 links

A Lowband Antenna that is Almost Free
The Shunt fed Tower an effective Low Band Antenna uses your beam as a capacitive ...

[ Hits: 18751 | Votes: 4 | Rating: 7.75 ]

9 element yagi for 2 meters band ^pop
A simple design of a 9 elem. yagi antenna for 2 meters band

[ Hits: 53448 | Votes: 263 | Rating: 5.23 ]
QM5 Yagi for 2 meters band - I0QM
The QM5 antenna is a simple 5 elements Yagi with 1 88 m boom length ...

[ Hits: 6871 | Votes: 4 | Rating: 5.25 ]
Portable Yagi for 144MHz - EI9GQ
Simple 7 element Yagi is ideal for portable operation The elements can be removed and ...

[ Hits: 14336 | Votes: 35 | Rating: 6.83 ]

Bazooka dipole for 70 cm band
Here is a very simple 70cms dipole from Harald PD2HFE which uses a single piece ...

[ Hits: 16573 | Votes: 30 | Rating: 6.67 ]

80M Vertical antenna with capacitance hat
Simple wire antenna cheap to make using readily available materials Low angle radiation with rejection ...

[ Hits: 25089 | Votes: 23 | Rating: 7.05 ]

The 9:1 balun ^pop
Homemade 9:1 antenna balun simple project

[ Hits: 33340 | Votes: 36 | Rating: 6.16 ]

The DK7ZB-Match for Yagis
Simple easy to built match developed in 1995 for Yagis with resistitive loads of 12 ...

[ Hits: 3637 | Votes: 8 | Rating: 6.38 ]

G5RV Antenna Homebrew - 9M2ZAK
Homebrew G5RV a simple multiband antenna This article shows detailed pictures of a G5RV home ...

[ Hits: 1589 | Votes: 4 | Rating: 7.25 ]

HF J-Pole antenna
A Simple Nondirectional Antenna for Ten Meters QST February 1950 Easy to build J Pole ...

[ Hits: 6617 | Votes: 3 | Rating: 3 ]

A Hanging Rectangular Loop Antenna
A rotatable hanging loop antenna that has been specifically designed for hanging in a tree ...

[ Hits: 3869 | Votes: 10 | Rating: 7.41 ]
Cheap antenna to make from 160m - 6m - G0FTD ^pop
The antenna is nothing more than a simple 2 4 metre square loop drawing pinned ...

[ Hits: 46517 | Votes: 28 | Rating: 7.61 ]

9 band vertical HF antenna by RW3XA - RW3XA Serge ^pop
Simple vertical radiator with matching box No traps no tuner required for this multiband antenna ...

[ Hits: 38752 | Votes: 43 | Rating: 7.34 ]

43.33 Km LOS with USB WiFi stick ^pop
Simple USB 802 11b WiFi adapter with original antenna used for this 27 miles long ...

[ Hits: 51135 | Votes: 103 | Rating: 5.64 ]

Yagi Modeler Applet
This java applet application implements a simple yagi modeling code The initial input is a ...

[ Hits: 2918 | Votes: 31 | Rating: 6.16 ]

CI-V Test
CI V Test for Win98 others not tested but should work is a simple freeware ...

[ Hits: 2287 | Votes: 8 | Rating: 7.75 ]

A low pass filter circuit
A simple 7 element Chebyshev low pass filter rolls of at 30MHz Attenuation is better ...

[ Hits: 5303 | Votes: 21 | Rating: 6.1 ]

ACWS: Automatic CW Sender by iz7ath - Talino
Simple circuit, with a simple push, transmit a memorized Cw messages

[ Hits: 1452 | Votes: 1 | Rating: 8 ]

A CW TX for 80 meters band
This simple circuit will give about 1 2 Watts of output when powered from a ...

[ Hits: 1734 | Votes: 1 | Rating: 10 ]