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Search took 0.00 seconds. Search: Posts Made By: transmitterdan
Forum: Marine Electronics 03-08-2017, 16:37
Replies: 56
Views: 5,978
Posted By transmitterdan
Re: Why are SSBs so susceptible to noise?

There are systems for sending digital data via HF bands. Sailmail, digital radio Mondiale and ham radio standards have been developed. They have the noise free feature but the cost is pretty high...
Forum: Marine Electronics 03-08-2017, 09:18
Replies: 56
Views: 5,978
Posted By transmitterdan
Why are SSBs so susceptible to noise?

Paul Elliott is right. I would just add that because HF has tremendous propagation distances is precisely why it picks up more noise than VHF or UHF. Your HF receiver can receive signals from pretty...
Forum: Marine Electronics 31-07-2017, 21:58
Replies: 56
Views: 5,978
Posted By transmitterdan
Re: Why are SSBs so susceptible to noise?

Radio is radio. Your cell phone suffers from interference which the designers hide from your ears except when it disconnects for no apparent reason. A cell or satellite network costs billions of $ to...
Forum: Marine Electronics 31-07-2017, 19:47
Replies: 56
Views: 5,978
Posted By transmitterdan
Re: Why are SSBs so susceptible to noise?

Trifan,

Noise canceling adapters for HF radio are not Jurassic solutions. They are in fact cutting edge digital devices that use sophisticated algorithms to filter out whines, pops and repetitive...
Forum: Marine Electronics 31-07-2017, 11:06
Replies: 56
Views: 5,978
Posted By transmitterdan
Re: Why are SSBs so susceptible to noise?

If SSB receivers were as numerous as say WiFi then it would not be so noisy. Technology exists to address the problem but not enough units are sold to justify the cost to develop and market a...
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