tomnexus's user avatar
tomnexus's user avatar
tomnexus's user avatar
tomnexus
  • Member for 7 years, 9 months
  • Last seen this week
  • Vancouver, BC, Canada
13 votes

Do these look like amateur radio antennas?

12 votes
Accepted

Why is 9 kHz the lowest frequency for spectrum analyzers?

12 votes

Were there any 6m handhelds produced ever?

12 votes
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Why does Free space have the highest loss compared to other losses like atmospheric loss, feeder loss etc?

10 votes

Can a 1:1 transformer be used as a protection from static electricity?

10 votes
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What does the spark-gap do in a spark-gap transmitter?

10 votes
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Can there be (long range) propagation of HF from satellites?

10 votes
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What is proper procedure for asking for "distant" contacts on 2m FM on simplex?

9 votes
Accepted

What is inside a 50 ohm termination?

8 votes
Accepted

How different is Q-factor of SMD inductor from regular one?

8 votes
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Tuning/trimming a ground plane antenna

8 votes
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Will transmitting on this antenna cause problems?

8 votes
Accepted

How should two loopstick antennas be placed w.r.t each other to maximize transmission?

8 votes
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Calculating satellite passes without an internet tracker?

8 votes
Accepted

Non-inductive resistors

7 votes
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Link Budget - Are there any restrictions in the formula?

7 votes

Do PCB antennas suit for NOAA and ADS-B?

6 votes

What is the reason/origin of conventional US repeater offsets?

6 votes
Accepted

Why bother to have a high power base station when mobile units are generally low-power?

6 votes
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Is testing SWR *practically* less important for 2m/70cm than HF bands?

6 votes
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How do I design a dual band LPDA antenna?

6 votes
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Why do we talk about common mode current from an antenna, but not from a transmitter?

6 votes
Accepted

Is the ground on the back of the Icom IC-7300 an electrical or RF ground?

6 votes
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Do MRI machines use the ISM band, and do they generate audible CW signals?

6 votes
Accepted

Transmitted audio coming out through my speaker

6 votes
Accepted

Use (TV?) Log-Periodic antenna for VHF

6 votes

How much attenuation (dB) from a balun is expected?

6 votes
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Impedance miss-match short vs long section?

6 votes
Accepted

Will there be common-mode currents if a coax followed by a ladder line is terminated in a dummy load?

6 votes
Accepted

Understanding Impedance (R+jx)

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