Questions tagged [equipment-operation]
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53 questions
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Troubleshooting radio tx/rx difficulties at a community event
I volunteered at a community event recently. The event organizers provided a few HTs of unknown provenance but didn't have enough for all teams to use. Several volunteers brought FRS HTs. We were all ...
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Other radios can hear my Baofeng but I can't hear them with my Baofeng
this may be a dumb question but I am new to this stuff so don't judge me please,
I just bought Baofeng UV-5R and I tested it with Topcom Twintalker 1302, which is PMR radio. I set my frequency on my ...
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Connecting up the vintage Morse Code Instructograph
As a teenager (1950's) I used an original Instructograph to learn Morse Code for my ham licenses, and had obtained a speed of up to about 30 wpm.
Now 70 years later, I have obtained both 3-post and 4-...
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Use of filters for weak SSB when there is no QRM
On bands like 10m when there is often little or no QRM (just gaussian noise), are the "Noise Reduction" filters intended to make weak phone signals more understandable? My subjective view is ...
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1
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Looking for specifications for Wilson Electronics WAU 420 amplifier
Hey there helpful people I'm trying to track down some specifications on a Wilson Electronics WAU 420. I have no idea on its exact age but guessing its from the late 90's. It's likely UHF band and ...
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1
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What is band stacking?
What is a band stacking register and/or band stacking buttons on a transceiver? And why would this be useful to an amateur radio operator?
Is using "band stacking" a current operating ...
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Why does the audio on my FM transceiver cut out every 5.5 seconds?
Specifically, my Icom ID-4100a.
What's interesting, is that this happens in MR and VFO modes... but NOT when using the built-in WX stations. For example listening to WX-01 (162.550 MHz), no problem. ...
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How do I trigger hotkeys on AnyTone 878UV?
I've read the manual twice, and watched programming guide videos on youtube, but while I can program hotkey 1-6 just fine, I can't find how to actually trigger them.
I found how to trigger the "Fun ...
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2
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Is it possible to show frequency and channel name at the same time on AnyTone 878UV?
On the AnyTone 878UV I can choose to display the frequency or the channel name or frequency (Settings->Radio Set->4 Ch.Name). But seems to me like there's enough screen real estate to be able to ...
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Yaesu FT-991A: FM and C4FM modes don't work on HF bands
I bought a second-hand Yaesu FT-991A. It works pretty well and by the look of it's internals I don't believe it was ever repaired.
However I noticed one weird thing. When I try to use FM or C4FM on ...
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How do blind hams operate?
In an earlier question, there seemed to be some surprise when I (indirectly) asked about radio modes accessible to a blind operator.
First question: So how do blind hams operate?
If I were to be ...
- 13.7k
5
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1
answer
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What does a receiver's noise reduction function do?
Some receivers contain a noise reduction button or function.
What does this noise reduction do?
Is there more than one type of noise reduction?
How does the circuit or software know what part of the ...
- 13.7k
3
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3
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Yaesu FT-891: power drops to 50% when TNR is ON and SWR is 1.5:1
I noticed a weird behavior of my Yaesu FT-891 transceiver. I'm using it with an external autotuner mAT-30 (120W SSB/CW, 30W PSK31), which is compatible with Yaesu FC-50.
When I connect a 100W 50 Ohm ...
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1
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How long can a transceiver be unused before I have to use a variac?
I have an old TenTec Argosy II that hasn’t been powered up for 20 years.
How long can electronics go unpowered before I have to worry about the electrolytic needed a slow power up with a Variac?
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Is it safe to run two barefoot rigs on one antenna with an AB switch?
I have a Daiwa CS-201A two position switch. The single side is connected to by quarter wave vertical (40m). The A and B sides are connected to an IC-7300 and TS-830S.
The switch is claimed to have ...
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