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223 links - and 2 categories

Shortened 80m Antenna - DF2BC
An antenna for 80 meters band for those who does not have enough space to ...

[ Hits: 422 | Votes: 1 | Rating: 1 ]
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: 151 | Votes: 0 | Rating: 0 ]

Short Monoband Dipole Antennas - KGD Antennas - nonstopsystems
The KGD antenna is an option for those with space restrictions The idea behing this ...

[ Hits: 241 | Votes: 0 | Rating: 0 ]
Small HF Antennas - SM0VPO
Experiments on HF antennas for restricted spaces In this article author experiments antennas for 80 ...

[ Hits: 1026 | 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 ]

Exploring The J-Pole Antenna - AA1ZB
The J Pole antenna is a common omnidirectional antenna used in amateur radio particularly on ...

[ Hits: 143 | Votes: 0 | Rating: 0 ]

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: 529 | Votes: 1 | Rating: 1 ]

ZS6KMD 20-40m Multiband Dipole - ZS6KMD
The dipole shown in this document is installed in an inverted Vee configuration with two ...

[ Hits: 540 | Votes: 0 | Rating: 0 ]
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 ]

160 Meters 4 Square Receive Antenna - W0QL
A four square array receiving antena for the top band performance is extremely directional and ...

[ Hits: 181 | Votes: 1 | Rating: 10 ]

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

[ Hits: 361 | Votes: 7 | Rating: 2.71 ]

The ZS6BKW Multiband HF Antenna - G3UKV
This is the antenna for you guys who want to get on HF effectively and ...

[ Hits: 479 | Votes: 5 | Rating: 9.8 ]

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

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

Decoding Russian Meteor-M2 satellite images in real time - phasenoise
The Meteor M N2 is a polar orbiting Russian weather satellite that was launched on ...

[ Hits: 200 | 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 ]

Space weather impacts on Climate - NOAA
About impacts of solar weather changes including effects of the solar cycle on weather on ...

[ Hits: 119 | Votes: 1 | Rating: 6 ]
Proppy HF Circuit Prediction: Space Weather - James Watson
Current space weather condition gauges with solar indices taken from the latest WWV report ...

[ Hits: 137 | Votes: 2 | Rating: 9.5 ]