Questions tagged [transmission]
The transmission tag has no usage guidance.
31
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How to determine the problem with my FT8 TX in WSJT-X?
I am trying to QSO on 17m, 20m, 40m, and 160m with an IC-756PRO.
I’m using WSJT-X in FT8 mode via a CI-V for CAT control and SignaLink for audio. System sound settings appear correct. Control tests of ...
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How do businesses develop and test amateur radio products in the US if you cannot be paid for amateur radio use?
Certainly there are companies in the US (like Kenwood) that develop HAM products that transmit. For development and QA they would likely need to test the product outside of a Faraday cage.
How can ...
- 759
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Frequency division multiplexing FM Radio stations
Can someone help me with this I'm confused on what it is supposed to look like?
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Using radio for musical collaboration [duplicate]
I'd like to collaborate (e.g. play together) with other musicians in my local area and/or beyond.
Coronavirus has made in-person collaboration difficult. Latency makes internet-based collaboration ...
- 171
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1
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233
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How does PTT from one two-way radio prevent input on another?
I'm very much a beginner with radio. I have a simple set of Baofeng BF-888S radios, and in my basic use with those, I got very curious about something: when you push the PTT button on one radio to ...
- 103
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108
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R433A SAW Resonator
I have one of those wireless weather sensor things that stopped transmitting. Inside is one of those ubiquitous R433A SAW resonators that transmit on 433.92MHz. I've verified that the board it's on ...
- 949
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2
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377
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How Duty cycle affects transmission rate in RF module?
I planning to use RF module for communication of high precision GNSS module. So I am doing detail study on RF module. In one of the datasheets of RF module (part no: RFD868ux) mentioned that 'Duty ...
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Can a ham radio pickup police signals?
Can you pick up police signals with ham radio? Secondly, are you able to contact emergency services with ham radio. For example: In the middle of a hurricane, with no power, can you technically use a ...
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Baofeng UV-5R transmitting to Baofeng BF888s - 888s will not receive transmission unless holding "mon"
So I have just received today a Baofeng UV-5R that I had ordered. I already had the 888s.
After programming the UV-5R to the same frequency as the 888s, i am able to receive transmission
All LEDs work ...
- 11
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5
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Can I contact the International Space Station using my Baofeng UV5R?
I saw this article but I can't imagine the power output, (eight watts max) would be enough to be picked up by the ISS at 200 miles above me.
Similarly, I don't know if the preamp on the receiver ...
- 563
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Can I make a simple Tx/Rx antenna (Radio System) which will receive signal from BTS and broadcast/transmit it, and vice versa? [duplicate]
Consider a situation as below. I am stay in a farm field, which my house is 9.4km distance from the nearest and the only one BTS (Base Transceiver System), a cellular antenna for transmit and receive ...
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3
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2k
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Is it possible to have multiple people talking on the same radio channel at the same time?
I understand that my question is not desireable for ham radio communication at all, but bear with me.
I want to use long range walkie talkies whose microphone is attached to an underground acoustic ...
- 187
0
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1
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178
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How hard to send files [duplicate]
How hard and expensive would it be to send a file from my house in London to a coastal area in Spain? It would most likely be software I want, so it must transfer perfectly, however if it is feasible ...
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Is it legal to transmit with HackRF one?
Is it legal to transmit using HackRF one (in Germany), the purpose is to do some Lab research and Academic experiments.
for example i want to broadcast an FM signal using HackRF one and try to ...
- 93
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2
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111
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Can timing information be used to compress data for LoRa transmission?
I have a course challenge. It involves calculating an FFT of an audio signal of 2 combined frequencies (up to 20KHz) then sending it over LoRa through to a fixed receiver. There will be an interferer. ...
