VU2NHW's user avatar
VU2NHW's user avatar
VU2NHW's user avatar
VU2NHW
  • Member for 10 years, 5 months
  • Last seen more than a month ago
  • Nagpur, India
16 votes
12 answers
19k views

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

9 votes
1 answer
16k views

What is a waterfall display?

6 votes
4 answers
8k views

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

11 votes
4 answers
7k views

How do I find out what bands are open?

12 votes
1 answer
7k views

How is the IF for a superhet selected?

9 votes
2 answers
4k views

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

9 votes
2 answers
4k views

Why do so many HF transceivers use a UHF connector?

11 votes
6 answers
3k views

Does iron ore in the ground affect my signal?

1 vote
2 answers
2k views

Do I really need a side-tone oscillator?

2 votes
2 answers
2k views

What nations do not grant an amateur radio licence? [closed]

1 vote
1 answer
2k views

Can the TS-570 be fully controlled over RCP-2?

9 votes
2 answers
2k views

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

13 votes
4 answers
2k views

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

15 votes
4 answers
2k views

What should I consider when choosing a coaxial cable?

10 votes
1 answer
1k views

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

6 votes
1 answer
998 views

What is a shallow/deep QSB?

5 votes
2 answers
818 views

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

2 votes
1 answer
708 views

What range of mismatch can the internal tuner on the TS-480SAT accommodate?

0 votes
2 answers
596 views

How to substitute a U229 connector?

3 votes
1 answer
587 views

Can an external VFO be injected into a commercial rig?

3 votes
1 answer
511 views

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

4 votes
4 answers
489 views

Should the capacitance or inductance be varied to achieve resonance?

9 votes
2 answers
449 views

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

6 votes
2 answers
367 views

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

10 votes
4 answers
358 views

What sources of power are useful in emergency situations?

0 votes
2 answers
295 views

At near-QRP levels should I include a balun/unun in the antenna system? [duplicate]

6 votes
1 answer
288 views

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

5 votes
1 answer
277 views

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

9 votes
2 answers
273 views

How is ARES different from RACES?

5 votes
4 answers
241 views

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