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3 votes
1 answer
297 views

What is the antenna design and gain for the WA1 U/V band antenna on the ISS?

2 votes
2 answers
51 views

Find the the geographical North for yagi setup

1 vote
1 answer
150 views

What type of metal, length & diameter should i use to build a vertical antenna to listen to airband frequencies (118-137Mhz)?

3 votes
4 answers
640 views

Help designing a random wire antenna to work with my tuner

3 votes
3 answers
266 views

Dipole antenna using current on outside of coax as intentional radiator?

1 vote
1 answer
499 views

How to Construct a Dual Polarization Cubical Quad Antenna for 10 m?

3 votes
3 answers
224 views

Advice on constructing half wave dipole with reduced velocity factor for site that is not quite big enough?

2 votes
1 answer
214 views

Portable indoor VHF antenna for SDR

2 votes
2 answers
170 views

Why does my 7 MHz antenna trap have an SWR of 8?

2 votes
3 answers
176 views

Can I use different materials when building an antenna?

1 vote
1 answer
102 views

Combining antennas

10 votes
1 answer
6k views

How to design a rubber ducky antenna

4 votes
2 answers
2k views

Putting up a tower on my residential property

3 votes
1 answer
168 views

How to passive amplify signal from outside to inside?

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