On 26/09/2019 13:03, Stephen Ireland wrote:
This will have developmental consequences as the prime "Call CQ" response works 
with 13 characters i.e. CQ VK3SIR QF11 ... And many have already observed that Australian 
F-Calls will not be able to send CQ with their maidenhead locator.

Steve,

for clarification:

CQ VK3SIR QF11

is 14 characters including the embedded spaces. A limitation on including a grid square in various standard format messages is dependent on the callsign being a standard format as defined by the WSJT-X modes. In the case of FT4/FT8/MSK144  standard call shall contain a one- or two-character prefix, at least one of which shall be a letter, followed by a digit and a suffix of one to three letters. Many other non-standard callsigns may be used with some restrictions, one of those restrictions is that non-essential QSO information like grid squares may not be included in standard messages. There are a couple special exceptions that allow /P and /R prefixes on standard callsigns without these limitations. Despite these restrictions, these modes make it possible for holders of non-standard callsigns to at least have straightforward QSOs with standard callsign holders. By using free text messages other information can be passed, limited only by the skill and patience of the QSO partners.

73
Bill
G4WJS.

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