earth
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Antennas : Baluns : 4 to 1 balun- A 4:1 Balun
A single core 4 1 current balun of improved performance by Chris Trask N7ZWY PDF ...[ Hits: 21829 | Votes: 13 | Rating: 4.3 ]
- 900 MHz Helical Antenna
Photos and description of a homebrewed 900 Mhz antenna[ Hits: 3779 | Votes: 14 | Rating: 4.64 ]
- Off Center Fed Inverted V Dipole
This was an investigation into whether an inverted V dipole could be fed offcenter to ...[ Hits: 1848 | Votes: 1 | Rating: 1 ]
- Basics of antennas
The current the voltage the impedance the bandwidth the polarization and how the earth influences ...[ Hits: 701 | Votes: 0 | Rating: 0 ]
- Errante's capacitive RF Grounding
- Francesco Errante
This system demonstrates that no galvanic coupling to earth is needed for a proper RF ...[ Hits: 492 | Votes: 1 | Rating: 10 ]
- ASC Signal
Global manufacturer of Satellite Earth Station Air Traffic Control Radar Antenna and High Frequency Antenna ...[ Hits: 830 | Votes: 3 | Rating: 5.67 ]
- Kiwa Electronics
- KIWA
Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast Our ...[ Hits: 3069 | Votes: 5 | Rating: 8.8 ]
- Google Maps APRS
- Heikki Hannikainen
APRS web map with weather telemetry messaging and a bulletin board Google Maps and Google ...[ Hits: 929 | Votes: 14 | Rating: 7.42 ]
- JT65 Protocol
- Joe Taylor, K1JT
JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals It ...[ Hits: 1507 | Votes: 3 | Rating: 7 ]
- Longwave operations
In the VLF portion of the spectrum it is easy to listen to the emissions ...[ Hits: 833 | Votes: 0 | Rating: 0 ]
- G4ILO Receiving weather satellites
If you are interested in the environment the weather and other natural phenomena then there ...[ Hits: 2164 | Votes: 1 | Rating: 10 ]
- Near-Real-Time F2-Layer Critical Frequency Map
This map can be used to determine the frequencies that will always be returned to ...[ Hits: 5270 | Votes: 24 | Rating: 4.84 ]
- Google Earth 4-D Inonosphere
Free real time Earth Space 4 D global 4 D ionosphere using Google Earth by ...[ Hits: 811 | Votes: 5 | Rating: 7.4 ]
- Solar Cycles and Earth's climate
- VK6YSF Peter Miles
The past and future of the Sun s solar cycle and possible impact on the ...[ Hits: 837 | Votes: 0 | Rating: 0 ]
- SCR-Log
Scr log freeware logging program for mac windows linux and dos designed for school club ...[ Hits: 1525 | Votes: 5 | Rating: 10 ]
- Beam DX
- F1ORL
BEAM_DX is a free windows software for radioamateurs or radio listeners usage It allows to ...[ Hits: 2927 | Votes: 4 | Rating: 5 ]
- YG-PSK
- Jeff Steinkamp
Simple PSK31 and RTTY program based on the AE4JY PSK engine Logging inlcudes 10 10 ...[ Hits: 2954 | Votes: 4 | Rating: 8 ]
- Simple Reverse Polarity Protection
This simple modification is applicable to pretty much any 12 volt operated positive earth equipment ...[ Hits: 1648 | Votes: 0 | Rating: 0 ]
- Earth Grounding Construction Materials
Article about types of materials that make the best earth grounding systems[ Hits: 1309 | Votes: 0 | Rating: 0 ]
- Converting SSB CB to LF
Modified transverter for converting SSB CB to LF for thru-the-earth voice communications[ Hits: 1264 | Votes: 0 | Rating: 0 ]
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