field strength
11 links
Antennas : End-Fed : End Fed Half Wave Antenna
- Comparing Mobile whip versus EF HW Vertical
- PH0NO conducted field tests comparing a mobile antenna (DX-UHV) to an end-fed half-wave wire. Results on 20m showed the end-fed wire outperforming the mobile antenna, with a significant difference in signal strength. On 40m, the end-fed wire surpassed the mobile antenna in spots and reach. While the mobile antenna is more practical, the end-fed wire offers superior performance. Further testing is planned.
[ Hits: 81 | Votes: 0 | Rating: 0 ]
- I.C. Engineering
- Electromagnetic field strength meter
[ Hits: 1347 | Votes: 3 | Rating: 7.67 ]
- Counter Surveillance - Field Strength Meter
- The zap checker is a counter surveillance, bug detector, field strength meter
[ Hits: 829 | Votes: 1 | Rating: 10 ]
- Calculation of the Maximum Usable Frequency
- This paper presents the method of calculating the maximum usable frequency (MUF) and field strength of radio waves reflecting 2 times at the F2 ionosphere layer under inhomogeneous conditions of the ionosphere. The comparison between predicted and measured MUF has shown that the proposed method significantly increases the accuracy of calculation MUF.
[ Hits: 239 | Votes: 2 | Rating: 5.5 ]
- Field strength meter
- Field strength meter for the 137 kHz band by PA0SE
[ Hits: 624 | Votes: 0 | Rating: 0 ]
- Simple test equipment to build
- A field strength meter, a crystal tester and a capacitance meter by Peter Parker VK3YE
[ Hits: 1316 | Votes: 0 | Rating: 0 ]
- Field Strength Meter
- A home made field strength meter wit detailed pictures and schematic diagram by W4ZT
[ Hits: 795 | Votes: 3 | Rating: 7.33 ]
- Antuino - Antenna Test Equipment
- Antuino is an accurate instrument that can be used in the field to measure SWR, field strength, modulation, etc. In the lab, it can be used to sweep filters, measure gain, distortion, frequency response, etc. It works upto 150 Mhz. On the third harmonic, it is usable on 435 Mhz band as well (with reduced sensitivity).
[ Hits: 304 | Votes: 0 | Rating: 0 ]
- Field Strength Meter
- The field strength meter (FSM) is a very useful addition to any HAM toolbox.
If you are messing around with antennas, or building PA's, or trying to repair some TX gear, the FSM will come to your rescue when there is doubt about the output level.
[ Hits: 80 | Votes: 0 | Rating: 0 ]
- RF Field Strength Meter
- An RF Field Strenght meter project by the Shefford & District Amateur Radio Society
[ Hits: 815 | Votes: 6 | Rating: 6.67 ]
- A Simple Field Strength Meter
- Mad your own simple FS meter. It is the simplest thing to make and is good enough to see if the antenna under test is radiating more power than your old ground plane, old mobile vertical or just radiating at all in a particular direction or in all directions.
[ Hits: 158 | Votes: 0 | Rating: 0 ]
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