The 92 Code was first adopted by Western Union in 1859. The reason for this adoption was to reduce bandwidth usage over the telegraph lines and speed transmissions by utilizing a numerical code system for various frequently used phrases. [1]
The following code was taken from The Telegraph Instructor by G.M. Dodge.
1 | Wait a minute. | 25 | Busy on another wire. |
2 | Very Important. | 26 | Put on ground wire. |
3 | What time is it? | 27 | Priority, very important. |
4 | Where shall I go ahead? | 28 | Do you get my writing?. |
5 | Have you business for me? | 29 | Private, deliver in sealed envelope. |
6 | I am ready. | 30 | No more - the end. |
7 | Are you ready? | 31 | Form 31 train order. |
8 | Close your key, stop breaking. | 32 | I understand that I am to .... |
9 | Priority business. Wire Chief's call. | 33 | Answer is paid. |
10 | Keep this circuit closed. | 34 | Message for all officers. |
12 | Do you understand? | 35 | You may use my signal to answer this. |
13 | I understand. | 37 | Inform all interested. |
14 | What is the weather? | 39 | Important, with priority on through wire. |
15 | For you and others to copy. | 44 | Answer promptly by wire. |
17 | Lightning here. | 55 | Important. |
18 | What's the trouble? | 73 | Best Regards. |
19 | Form 19 train order. | 77 | I have a message for you. |
21 | Stop for meal. | 88 | Love and kisses. |
22 | Wire test. | 91 | Superintendent's signal. |
23 | All stations copy. | 92 | Deliver Promptly. |
24 | Repeat this back. | 134 | Who is at the key? |
Today, Amateur Radio Operators still use codes 73 and 88 profusely and –30– is used in journalism. The other codes have mostly fallen into disuse.[2]