radiation
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Antennas : 15M- Zippiro antenna for 40 Meters
Very compact and high efficiency antenna very low radiation angle even at low height ...[ Hits: 2113 | Votes: 3 | Rating: 5.67 ]
- 3 elements VHF yagi antenna
3 elements VHF Yagi homebrew antenna designed with YAGIMAX 3 Maximum forward GAIN is about ...[ Hits: 14043 | Votes: 59 | Rating: 4.51 ]
- Microvert antennas by DL7PE
- DL7PE
Progress in Design of Extremely Short Transmitting Antennas Short and still efficient how is that ...[ Hits: 1959 | Votes: 5 | Rating: 7.5 ]
- The Galaxy dipole
A very short dipole with a good radiation efficiently plus a respectable bandwidth by S ...[ Hits: 1871 | Votes: 3 | Rating: 10 ]
- The Sloping Vertical Dipole
The radiating part is the vertical half of the dipole You get nearly radiation in ...[ Hits: 537 | Votes: 0 | Rating: 0 ]
- Feeder Radiation
Connecting centre fed antennas dipoles yagis rhombics loops to coaxial cable unless care is taken ...[ Hits: 1831 | Votes: 4 | Rating: 8 ]
- Helical Feed Antennas
Helical antennas have long been popular in applications from VHF to microwaves requiring circular polarization ...[ Hits: 1921 | Votes: 2 | Rating: 3 ]
- Antentop: Loop Antennas
Article on radiation patterns of small loops equivalent circuits of loop antenna small loops as ...[ Hits: 2169 | Votes: 4 | Rating: 8 ]
- LA1IC Coax-Fed slooping longwire
Simple inexpensive and easy to erect this antenna provides directivity low angle radiation and a ...[ Hits: 3921 | Votes: 3 | Rating: 7 ]
- Understanding Radiation Patterns
Understanding and using antenna radiation patterns[ Hits: 534 | Votes: 0 | Rating: 0 ]
- Antenna Measurements
The electrical characteristics of an antenna that are of interest to obtain by direct measurement ...[ Hits: 947 | Votes: 3 | Rating: 4 ]
- Radiation Characteristics
Tailoring Patterns for HF Verticals[ Hits: 246 | Votes: 0 | Rating: 0 ]
- Azimuth Radiation Patterns
Below VHF the change in the radiation characteristics of an antenna will change considerably from ...[ Hits: 820 | Votes: 1 | Rating: 10 ]
- Matching Waves, VSWR at work
When the radiation resistance voltage to current ratio of an antenna is the same value ...[ Hits: 508 | Votes: 0 | Rating: 0 ]
- Basics of antennas
The current the voltage the impedance the bandwidth the polarization and how the earth influences ...[ Hits: 701 | Votes: 0 | Rating: 0 ]
- Antenna Efficiency
K0BG article con antenna efficiency covering topics like radiation resistance coil losses and ground losses ...[ Hits: 459 | Votes: 0 | Rating: 0 ]
- VHF/UHF Folded Diplole
This is a two element colinear design for vertically polarized radiation It may be constructed ...[ Hits: 1142 | Votes: 0 | Rating: 0 ]
- Scientific Surplus
Buy sell and trade electronic and scientific instruments Oscilloscopes microscopes signal generators RF equipment short ...[ Hits: 750 | Votes: 0 | Rating: 0 ]
- Opto Electronics
The branch of electronics dealing with devices that generate transform transmit or sense optical infrared ...[ Hits: 301 | Votes: 0 | Rating: 0 ]
- RF Radiation and Electromagnetic Field Safety
Preprinted from the 1997 ARRL Handbook for Radio Amateurs Thermal Effects of RF Energy Safe ...[ Hits: 331 | Votes: 0 | Rating: 0 ]
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