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[K4HB]

Does calling CQ without a grid cause this decode to be unclickable? Couldn't respond, no matter how many times I clicked. Don't know if it's just my machine, or if a grid is required for a response. Wanted to email him about this, but had rather hear other opinions first.

[AF5CC]

You can always manually type his call into the DX callsign box, and click on "generate std msgs" and call him that ways.

73 John AF5CC

[K4HB]

OK Thanks, I'll give it a try next time I see one that's unclickable. Never typed anything in the DX Call box before, some folks must do that to call in the blind. Tried it for a test and his call would have gone out in brackets. I've seen calls like that before and wondered why.

[VA3VF]

"7.5. Nonstandard Callsigns

Modes with 77-bit message payloads: FST4, FT4, FT8, MSK144, and Q65

The compound or nonstandard callsigns are automatically recognized and handled using special message formats. One such callsign and one standard callsign may appear in most messages, provided that one of them is enclosed in < > angle brackets. If the message includes a grid locator or numerical signal report, the brackets must enclose the compound or nonstandard callsign; otherwise the brackets may be around either call.

Angle brackets imply that the enclosed callsign is not transmitted in full, but rather as a hash code using a smaller number of bits. Receiving stations will display the full nonstandard callsign if it has been received in full in the recent past. Otherwise it will be displayed as < . . . >. These restrictions are honored automatically by the algorithm that generates default messages for minimal QSOs. Except for the special cases involving /P or /R used in VHF contesting, WSJT-X 2.5 offers no support for two nonstandard callsigns to work each other.

Using a nonstandard callsign has definite costs. It restricts the types of information that can be included in a message. It prevents including your locator in standard messages, which necessarily impairs the usefulness of tools like PSK Reporter. "

[K4HB]

Yep, section 7.5 covers it. From looking at his QRZ page, OS1X is really into digital mobile. Don't know why I couldn't just click and answer his call, I've answered other compound calls that way before. But whatever, I'll put their call in the DX Call box next time this happens. Don't care for the locator, unless it's 6 or 2 meters.

[VA3VF]

No biggie, just curious.

Why does SP1I (Poland) JO73 (grid) lights up in red in the decoding window?

I use JTDX, and checked all the settings, but no answer. No other callsign ever triggered that.