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VU2NHW
  • Member for 8 years, 9 months
  • Last seen more than a month ago
  • Nagpur, India
16 votes
12 answers
18k views

How can I safely transmit without an antenna tuner or SWR meter?

14 votes
4 answers
2k views

What should I consider when choosing a coaxial cable?

13 votes
4 answers
2k views

When may a ham operate beyond the privileges of their licence class?

12 votes
1 answer
6k views

How is the IF for a superhet selected?

11 votes
6 answers
3k views

Does iron ore in the ground affect my signal?

10 votes
1 answer
1k views

Can I have multiple inverted-vee antenna fed by a single coax?

10 votes
4 answers
347 views

What sources of power are useful in emergency situations?

10 votes
4 answers
7k views

How do I find out what bands are open?

9 votes
1 answer
14k views

What is a waterfall display?

9 votes
2 answers
2k views

Why is the risk of damage to a transmitter due to a mismatched antenna at lower frequencies greater?

9 votes
2 answers
250 views

How is ARES different from RACES?

9 votes
2 answers
4k views

Why do so many HF transceivers use a UHF connector?

9 votes
1 answer
107 views

Can two diodes be parallelled in RB to get double the capacitance?

9 votes
2 answers
3k views

What is the largest gauge (thinnest diametre) wire I may use as an antenna?

9 votes
2 answers
389 views

How does the South Atlantic Anomaly affect propagation in the HF bands?

6 votes
1 answer
255 views

Does mixed-mode operation qualify as a QSO? [closed]

6 votes
2 answers
304 views

Does the waveform of the VFO necessarily have to be sinusoidal?

6 votes
4 answers
7k views

Does oxidation of the antenna elements have any impact on the signal quality of the station?

5 votes
2 answers
748 views

Is the 3-cm band serviced by any commercial main-stream ham radio transceiver?

5 votes
1 answer
645 views

What is a shallow/deep QSB?

5 votes
4 answers
211 views

When should an adapter be used to marry a coax to a connector?

5 votes
1 answer
257 views

Are there an MTTF/MTBF/MTTR data on the typical tubes used in the FT-101/TS-520?

4 votes
1 answer
106 views

Under what circumstance does non-toroid former lend itself to HF?

4 votes
4 answers
443 views

Should the capacitance or inductance be varied to achieve resonance?

3 votes
3 answers
129 views

Is a guest-operator QSO recorded in the host-station log too?

3 votes
1 answer
508 views

Can an external VFO be injected into a commercial rig?

3 votes
1 answer
433 views

How can I tell the frequency without an oscilloscope, or frequency counter?

3 votes
1 answer
200 views

Does using a computer SMPS to supply a transceiver bleed hum into the signal?

3 votes
1 answer
153 views

What are the differences in a QSO over A3F as compared to J3E?

3 votes
1 answer
97 views

How much distortion would aluminium wire stays for the centre-pole on my inverted-vee cause?