Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 4665

Transmission of digital signals over Amateur Radio, including modes like PSK-31, RTTY, JT-65, JT-9, etc.

2 votes
Accepted

Does anyone have any link to the original papers describing MSK144 and JT4?

The WSJT User Guide version 2.0.0, which is hosted at the Princeton Physics website, was written by Joe Taylor W1JT himself, who wrote much of the WSJT code. In the Protocol Specifications chapter th …
rclocher3's user avatar
  • 9,320
4 votes
Accepted

Are there any commonly used digital modes that work with an FM transceiver?

I interpret your question to mean "what kind of cool digital stuff could I do with my inexpensive HT?" I can think of two digital activities that people commonly do with inexpensive handheld transcei …
rclocher3's user avatar
  • 9,320
0 votes

Yaesu FT-950 with G5RV lite antenna auto tune problem on 21Mhz

As Hamsterdave suggests, you could use a different antenna that has a lower SWR on 15m, or a remote antenna tuner. You could also use an external antenna tuner in the shack, which would be lossier bu …
rclocher3's user avatar
  • 9,320
1 vote

Why is this signal recognized as PACTOR II but not decoded?

Your PACTOR II signal couldn't be decoded because PACTOR II uses proprietary encoding. There is no open-source decoder; in order for PACTOR II to be decoded, an expensive modem from Special Communica …
rclocher3's user avatar
  • 9,320
2 votes

How do you log (or not) "busted" FT8 QSOs?

Using that logic, just exchanging call signs would make a complete QSO. Sorry, but I'm not buying it. If it were me, I wouldn't log the QSO if I didn't get an acknowledgement of my signal report. C …
rclocher3's user avatar
  • 9,320
1 vote

BPSK raw data aquisition with HDSDR and FLDIGI

So as I understand you, the Ettus USRP1 is a software-defined receiver, and HDSDR+ExtIO is software that you are using to control the receiver. So the audio comes from HDSDR running on the computer, …
rclocher3's user avatar
  • 9,320