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234 links - and 2 categories

160m 80m Vertical Antenna - DJ0IP
A dual band vertical antenna for 160 and 80 meters band on a 18m spiderbeam ...

[ Hits: 188 | Votes: 0 | Rating: 0 ]

80m Shortened Dipole Antenna - DL2HRF ^updated
This antenna just requires about 24m of free space instead of 41m that a normal ...

[ Hits: 156 | Votes: 1 | Rating: 1 ]
80m Inverted-L 12m Spiderpole - DJ0IP
An Inverted L with its long leg sloping to the ground It will still work ...

[ Hits: 150 | Votes: 0 | Rating: 0 ]
An 80 m dipole antenna for restricted spaces - LA8OKA
You can bend the wires in a half wave dipole so that it takes up ...

[ Hits: 186 | Votes: 0 | Rating: 0 ]

Small HF Antennas - SM0VPO
Experiments on HF antennas for restricted spaces In this article author experiments antennas for 80 ...

[ Hits: 1024 | Votes: 19 | Rating: 7.31 ]

A simple NonDirectional Antenna for 10 meter - W7AYB
This article is about a simple vertical end fed half wave wire antenna for 10 ...

[ Hits: 708 | Votes: 2 | Rating: 7 ]

Square Halo Antenna for 10 and 20 Meters - PA9X
How to build a limited space 10 and 20 meter band Square Halo DX antenna ...

[ Hits: 242 | Votes: 1 | Rating: 9 ]

Magnetic Loop HF antenna - G3XBM
An homebrew HF Magnetic loop made with 2m length of 6mm diameter copper pipe formed ...

[ Hits: 131 | Votes: 0 | Rating: 0 ]
2 meter Magnetic Loop Antenna - VK5BR
VHF Antenna in a Lunchbox The Magnetic Loop on Two Metres The two metre magnetic ...

[ Hits: 528 | Votes: 1 | Rating: 1 ]

Short Multiband Dipole Array - K7MEM
A multiband shortened fan dipole This page offers and online calculator that can be really ...

[ Hits: 229 | Votes: 0 | Rating: 0 ]

Homebrew an OCF Off-Center Fed Dipole Antenna - W5ODJ
This type of antenna is a popular antenna design as the performance is very good ...

[ Hits: 199 | Votes: 3 | Rating: 6.67 ]

Foldable Yagi Antenna - pd0g
A home made RDF 3 elements Yagi that can be used for fox hunting The ...

[ Hits: 237 | Votes: 1 | Rating: 10 ]

Which part of a dipole radiates most? - PA3FWM
The title may seem a strange question Still it is often said that the part ...

[ Hits: 157 | Votes: 1 | Rating: 9 ]

Trapped vertical Antenna - F5ZV
This antenna is an omnidirectional and multiband and it is well suited for DX enthusiasts ...

[ Hits: 360 | Votes: 7 | Rating: 2.71 ]

SDR4Space - SDR Technologies
Software Defined Radio for Space Applications produces ground stations for uplink and downlink Rotator computer ...

[ Hits: 147 | Votes: 0 | Rating: 0 ]

SatNOGS Satellites List - SatNOGS
SatNOGS DB is an effort to create an hollistic unified global database for all artificial ...

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

F6GCI propagation - F6GCI
A collection of dynamically produced images based on the daily data of the NOAA Space ...

[ Hits: 152 | Votes: 0 | Rating: 0 ]
Current Space Weather Parameters - Solar Terrestrial Dispatch
Solar Wind Velocity and Auroral Storm Potential the website provides also current magnetic indices like ...

[ Hits: 59 | Votes: 0 | Rating: 0 ]

EiBi shortwave schedules - Eike Bierwirth
The current EiBi shortwave radio schedules contains an update aggregated list of radio broadcasting stations ...

[ Hits: 353 | Votes: 0 | Rating: 0 ]

Proplab-Pro - Solar Terrestrial Dispatch
Ray trace radio signals through a realistic three dimensional ionosphere using Proplab Pro This software ...

[ Hits: 171 | Votes: 0 | Rating: 0 ]