Future of Analog in Amateur Radio

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Discussion Overview

The discussion revolves around the future of analog radio systems in amateur radio, particularly in light of the increasing trend towards digital communication. Participants explore the implications of potential regulatory changes and the ongoing viability of analog methods for HAM operators.

Discussion Character

  • Debate/contested
  • Exploratory
  • Technical explanation

Main Points Raised

  • One participant questions whether it will remain legally possible for HAMs to operate analog systems if commercial radio transitions entirely to digital.
  • Another participant expresses skepticism about predicting governmental regulations, indicating uncertainty about future enforcement priorities.
  • Some participants suggest that, despite dwindling interest in analog, there may not be significant regulatory barriers to its continued use.
  • There is a mention that current regulations do not specify whether amateur signals must be digital or analog, focusing instead on interference management.
  • One participant notes the trend towards digital modes in amateur radio, citing benefits such as increased bandwidth efficiency and ease of encryption, while also highlighting the enduring use of CW (Morse code) for long-distance communication.
  • Another participant shares insights on the historical context of digital transmission techniques in amateur radio and mentions the allowance for experimentation within regulations.
  • There are references to the growing integration of personal computers and digital sound cards in developing new digital communication modes among radio amateurs.

Areas of Agreement / Disagreement

Participants express a range of views, with no clear consensus on the future of analog systems in amateur radio. Some believe analog will continue to be viable, while others highlight the shift towards digital communication and its implications.

Contextual Notes

Participants acknowledge the limitations of predicting future regulations and the dependence on current definitions and interpretations of amateur radio rules.

Aufbauwerk 2045
I know that the trend in commercial radio is towards digital. Suppose we go to all digital radio. My question is specifically about amateur radio. Will it still be legally possible for HAMs to operate analog radio systems? Any indications at all from the FCC or similar bodies outside the USA on this topic?

My reason for asking is that I wonder if HAMs will still be able to communicate via old analog sets in the coming years. Of course some people still like to build their own analog sets from scratch.
 
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You are asking us to predict governmental regulations? Sorry, my crystal ball felt off the table and is broken.
 
Other than dwindling interest I can't see why not. Even if there were some regulation against it, I don't think there would be a high priority towards enforcing it.

-Dave K
 
A bit more seriously: as far as I knows regulations say which band can be used by whom, and for amateur bands they not state whether the signal has to be digital or analog. It is mostly a matter of keeping interference down.

Calling @berkeman
 
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Borek said:
You are asking us to predict governmental regulations? Sorry, my crystal ball felt off the table and is broken.

Was your crystal ball analog? I can't get a signal on mine anymore.
 
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David Reeves said:
My reason for asking is that I wonder if HAMs will still be able to communicate via old analog sets in the coming years. Of course some people still like to build their own analog sets from scratch.
I think the main reasons for the trend toward digital are increased bandwidth efficiency, and ease of encryption. HAM radio already has a number of digital modes that are incorporated in the current band plans:

http://www.arrl.org/searches/results

But I'm no expert in all of that. One thing that I think will always be preserved is the use of CW (Morse code) on the HF bands for long-distance communication (around the world and high-angle bounce). CW is much easier to figure out when the noise level is high.

The use of Arduino and other uCs in HAM radio is growing, so I'm sure folks are building their own digital HAM radios by now... :smile:

@vk6kro may have more to add...
 
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FYI the regulations for Amateur Radio, Part 97 of the Code of Federal regulations is available here. http://www.arrl.org/part-97-amateur-radio.

In general digital information is send similar to Morse Code i.e., signal/different signal or no signal sequences as I understand it. a mark and a space sequence.
Radioteletype was the first digital code technique akin to what we think of as digital allowed before 1980.

FWIIW my experience with Marine SSB (not HAM) radio 2 - 26 MHz as of about three years ago you could connect to the internet through certain land based stations. I could send at a maximum baud rate around 10kbps depending on frequency, distance and atmospheric conditions . Only text was allowed to minimize TX time.. The system used a computer connected to a special modem that controlled the radio. .

See the American Radio Relay League Handbook, or the ARRL Operating Manual. for information on digital transmission techniques..

Hams are allowed to experiment with different transmission techniques within the regulations.
 
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berkeman said:
http://www.arrl.org/searches/results
Crap, the ARRL website is to amateurish for a copy/past to work. Whatever. Here is a different try...
 
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