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KJ7LNW
  • Member for 2 years, 7 months
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4 votes
2 answers
269 views

Is the 1.5kW power limit per antenna? What about antenna arrays?

3 votes
1 answer
108 views

How do businesses develop and test amateur radio products in the US if you cannot be paid for amateur radio use?

3 votes
2 answers
170 views

How do you calculate peak voltage given VSWR caused by impedance mismatch in a 50-ohm system?

2 votes
2 answers
120 views

What safety procedures should be followed when developing and testing a high power amp?

2 votes
2 answers
297 views

How much dB gain do you need from an LNA in front of an antenna for great low-signal reception from satellites in the 2m and 70cm bands?

1 vote
2 answers
125 views

How do you calculate the impedance of a parallel-wire balanced feedline (ladder line)?

1 vote
1 answer
92 views

Is SSB and FM voice considered TDD or FDD (and what are TDD/FDD)?

0 votes
1 answer
40 views

How do you create a DC-blocking ground-shunt that looks inductive in an "L" match?

0 votes
1 answer
203 views

Calculating receive wattage given transmit power, antennae dBi and path loss