HB3YAQLucerne
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11 results for «Gain»
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Antenna gain, dBi and EIRP
Gain describes direction and a reference, not an additional energy source.
- Learning
Gain, AGC and overload
Why maximum gain does not mean best reception, and how to check a receiving chain systematically.
- Learning
Use gain deliberately
Louder is not always clearer. Distinguish audio level, gain and overload.
- Learning
Antenna height and radio horizon
Transmit power and antenna gain do not enter the horizon calculation: they do not change geometric horizon, though they can affect whether a particular link is usable.
- Learning
Building a radio link budget
Add transmit and receive antenna gains in dBi, then subtract cable and path losses in dB.
- Learning
Coaxial cable: loss and electrical length
More gain afterwards does not simply restore information already lost.
- Learning
dB, dBm and power
This makes large and small ratios manageable and allows successive gains and losses to be added.
- Learning
Frequency and wavelength
The calculator does not determine bandwidth, gain or a guaranteed feed-point impedance.
- Learning
Interpreting SWR correctly
Low SWR is useful but proves neither high gain nor good range.
- Learning
Understanding AM, FM and SSB
More gain does not correct a demodulation frequency offset.
- Learning
Your first reception in a browser
Compare small adjustments one at a time: frequency first, then filter, then gain.