Usage of callsigns on 11m

[Philip Gladstone]

I hadn't realized that 11m users (the CB bands) don't use callsigns but just make up strings. In some cases, they seem to use the format from the Tango Mike group:https://www.tangomike.net/reference-pages/guide-to-11m-dx/ . These callsigns look like <number><alpha chars><number>

Unfortunately, this overlaps with ham radio callsigns -- and there isn't any requirement to use this format anyway. 

It is unclear what to do about this issue. The current system makes heavy use of determining the country of the callsign to verify the locator is plausible. 

My feeling is that I probably have to treat all 11m callsigns differently and not verify them in any way. Before I spend time implementing this, does anybody know of any other cases like this? Does anybody have any thoughts on what the right thing to do is?

Philip

[Thomas Beiderwieden]

Phil,

my idea would be, to look at the frequency. If a report is within the allocated segments for amateur radio, the call should match, what is used and legal in ham radio. On any other frequency, accept, what is delivered. I think it is too complex to keep track of all rules or individual ideas, what identification is used.

Thomas, DL3EL

[Brian Carrick]

I suppose "Stay off 11m" is not an acceptable answer :⁠-⁠)

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[JTAlert Support (VK3AMA)]

What do you currently do for non-ham callsigns, the SWLs? There are many of those callsigns spotting to PSKReporter where the callsigns doesn't represent the Country of origin.

de Laurie VK3AMA
(JTAlert author)

[Philip Gladstone]

Laurie

That is a good question. I don't do anything special. Many of the SWL people have strings that map to the right country -- sometimes with non-callsign characters in them (e.g. minus sign).

For monitoring systems, I think that if the locator matches the callsign (based on the data from www.country-files.com) then I'll leave the dxcc entry. If it doesn't match, then I'm going to assume that the callsign string is not validly mapped by the country-files data.

For people transmitting on 11m, I'm just going to assume that the locator is correct and not even try to work out the dxcc entity. If the transmitting system also operates on other bands, then I'll run the ordinary code that tris to validate the locator against the callsign.

Does this problem also happen on the 2.4GHz and 5.8GHz bands?

Philip

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[Ondrej Jaburek]

Phillip, 

if you want to implement loc verify for 11m callsigns, then that article on TM also links to list of prefixes by country:

https://www.tangomike.net/reference-pages/prefix-lists/

But honestly, it might be a better idea to not verify the calls, as JS8 ops on 11m often use dedicated calls in order to fit into one frame.

O. 

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