
USA Call Sign Prefixes - 28wpm
There are a little over 200 call sign prefixes commonly issued in the United States. Ideally, you will learn the callsign prefixes as a single sound pattern, which will help you utilize a memorization...
29 Sep 20230s

USA Call Sign Postfixes - 3 Letters 28wpm
These are three letters USA callsign postfix. The FCC doesn’t issue completely random postfixes. You may find it helpful to use this practice set as an incremental step in copying full US callsigns. F...
28 Sep 20230s

USA Call Signs - 4 Characters - 8x Character Spacing - 28wpm
For each US 4-character (2x1 or 1x2) call sign sent with 8x character spacing (aka Farnsworth timing), try to head-copy it. First, the call sign is sent in Morse code. Then it is spoken. And finally, ...
27 Sep 20230s

USA Call Signs - 4 Characters - 6x Character Spacing - 28wpm
For each US 4-character (2x1 or 1x2) call sign sent with 6x character spacing (aka Farnsworth timing), try to head-copy it. First, the call sign is sent in Morse code. Then it is spoken. And finally, ...
26 Sep 20230s

USA Call Signs - 4 Characters - 4x Character Spacing - 28wpm
For each US 4-character (2x1 or 1x2) call sign sent with 4x character spacing (aka Farnsworth timing), try to head-copy it. First, the call sign is sent in Morse code. Then it is spoken. And finally, ...
25 Sep 20230s

USA Call Signs - 4 Characters - 3x Character Spacing - 28wpm
For each US 4-character (2x1 or 1x2) call sign sent with 3x character spacing (aka Farnsworth timing), try to head-copy it. First, the call sign is sent in Morse code. Then it is spoken. And finally, ...
24 Sep 20230s

USA Call Signs - 4 Characters - 2x Character Spacing - 28wpm
For each US 4-character (2x1 or 1x2) call sign sent with 2x character spacing (aka Farnsworth timing), try to head-copy it. First, the call sign is sent in Morse code. Then it is spoken. And finally, ...
23 Sep 20230s

USA Call Signs - 5 Characters - 8x Character Spacing - 28wpm
For each US 5-character (2x2 or 1x3) call sign sent with 8x character spacing (aka Farnsworth timing), try to head-copy it. First, the call sign is sent in Morse code. Then it is spoken. And finally, ...
22 Sep 20230s



















