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![[item image]](http://ia311014.us.archive.org/2/items/U.S._Armed_Forces_Institute_Basic_Radio_Code_ca1942/Disc_01a.jpg?cnt=0 "[item image]")
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)128kbps M3U (Hi-Fi)
64Kbps M3U (Lo-Fi)
) (97 MB)64Kbps MP3 ZIP
Recordings of 78-RPM Morse Code training records, prepared by the U.S. "Special Service Division, S.O.S., War Department". Manufactured by Allied Record Mfg Co., Hollywood, Calif. (See images of record labels.) There is no date on the recordings but judging by the content ("CORREGIDOR... Get the message through!...") the estimated year of manufacture is probably 1942 or 1943.
The recorded material consists of a code aptitude test, introduction to Morse Code letters and numbers, and training at various speeds up to 16 WPM. There were originally 22 records (44 sides) in the collection but the final one is missing here.
These re-recordings of the original phonograph records have been processed in order to remove some of the disc surface noise.
This audio is part of the collection: 78 RPMs & Cylinder Recordings
Source: 78-RPM phonograph records.
Keywords: Morse Code; code; radio; telegraph; radio telegraph; code practice; 78-RPM; phonograph records; U.S. Army; Signal Corps; World War II; AF2Z
| Whole Item | Format | Size |
| U.S._Armed_Forces_Institute_Basic_Radio_Code_ca1942_128kb.m3u | 128kbps M3U | Stream |
| U.S._Armed_Forces_Institute_Basic_Radio_Code_ca1942_64kb.m3u | 64Kbps M3U | Stream |
| U.S._Armed_Forces_Institute_Basic_Radio_Code_ca1942_64kb_mp3.zip | 64Kbps MP3 ZIP | 97 MB |
| Audio Files | 128Kbps MP3 | Ogg Vorbis | 64Kbps MP3 |
| Side 1A - Signal Corps Code Aptitude Test | 3.75 MB | 1.97 MB | 1.87 MB |
| Side 1B - Signal Corps Code Aptitude Test | 4.25 MB | 2.33 MB | 2.13 MB |
| Side 2A - Signal Corps Code Aptitude Test | 3.73 MB | 2.04 MB | 1.87 MB |
| Side 2B - Introduction to Teaching and Practice | 4.89 MB | 2.57 MB | 2.45 MB |
| Side 3A - Introduction (Cont.) and Unit I Single | 4.83 MB | 2.58 MB | 2.42 MB |
| Side 3B - Unit I Single (Cont.) | 4.75 MB | 2.45 MB | 2.38 MB |
| Side 4A - Unit I Groups of Two | 4.38 MB | 2.20 MB | 2.19 MB |
| Side 4B - Unit I Groups of Two (Cont.) | 5.09 MB | 2.44 MB | 2.55 MB |
| Side 5A - Unit II Single | 4.89 MB | 2.43 MB | 2.45 MB |
| Side 5B - Unit II Single (Cont.) | 4.72 MB | 2.28 MB | 2.36 MB |
| Side 6A - Unit II Groups of Two | 4.32 MB | 2.18 MB | 2.16 MB |
| Side 6B - Unit II Groups of Two (Cont.) | 4.68 MB | 2.33 MB | 2.34 MB |
| Side 7A - Unit I and II Single | 4.76 MB | 2.41 MB | 2.38 MB |
| Side 7B - Unit I and II Single (Cont.) | 4.53 MB | 2.22 MB | 2.27 MB |
| Side 8A - Unit I and II Groups of Two | 4.74 MB | 2.35 MB | 2.37 MB |
| Side 8B - Unit III Single | 4.81 MB | 2.38 MB | 2.40 MB |
| Side 9A - Unit III Single (Cont.) | 4.77 MB | 2.29 MB | 2.39 MB |
| Side 9B - Unit III Groups of Three | 4.91 MB | 2.52 MB | 2.46 MB |
| Side 10A - Unit IV Single | 4.72 MB | 2.35 MB | 2.36 MB |
| Side 10B - Unit IV Single (Cont.) | 4.69 MB | 2.30 MB | 2.35 MB |
| Side 11A - Unit IV Groups of Four | 4.77 MB | 2.40 MB | 2.38 MB |
| Side 11B - Unit I-III Groups of Three | 4.57 MB | 2.27 MB | 2.29 MB |
| Side 12A - Unit I-III Groups of Three (Cont.) | 4.86 MB | 2.47 MB | 2.43 MB |
| Side 12B - Unit I-IV Groups of Four | 4.54 MB | 2.22 MB | 2.27 MB |
| Side 13A - Unit I-IV Groups of Four (Cont.) | 4.89 MB | 2.37 MB | 2.45 MB |
| Side 13B - Unit V Single | 4.80 MB | 2.56 MB | 2.40 MB |
| Side 14A - Unit V Single (Cont.) | 4.73 MB | 2.37 MB | 2.36 MB |
| Side 14B - Unit V Groups of Five | 4.53 MB | 2.42 MB | 2.27 MB |
| Side 15A - Unit I-V Groups of Five | 4.54 MB | 2.24 MB | 2.27 MB |
| Side 15B - Unit I-V Groups of Five (Cont.) | 4.57 MB | 2.37 MB | 2.29 MB |
| Side 16A - Six Words Per Minute | 4.72 MB | 2.40 MB | 2.36 MB |
| Side 16B - Six Words Per Minute | 4.70 MB | 2.36 MB | 2.35 MB |
| Side 17A - Eight Words Per Minute | 4.74 MB | 2.38 MB | 2.37 MB |
| Side 17B - Eight Words Per Minute | 4.66 MB | 2.47 MB | 2.33 MB |
| Side 18A - Ten Words Per Minute | 4.84 MB | 2.42 MB | 2.42 MB |
| Side 18B - Ten Words Per Minute | 4.27 MB | 2.20 MB | 2.14 MB |
| Side 19A - Ten Words Per Minute | 4.66 MB | 2.38 MB | 2.33 MB |
| Side 19B - Twelve Words Per Minute | 4.63 MB | 2.46 MB | 2.31 MB |
| Side 20A - Twelve Words Per Minute | 4.63 MB | 2.52 MB | 2.32 MB |
| Side 20B - Sixteen Words Per Minute | 4.63 MB | 2.59 MB | 2.32 MB |
| Side 21A - Sixteen Words Per Minute | 4.67 MB | 2.60 MB | 2.33 MB |
| Side 21B - Sixteen Words Per Minute | 4.64 MB | 2.60 MB | 2.32 MB |
| Image Files | JPEG |
| Side 1A Record Label | 60 KB |
| Side 21A Record Label | 63 KB |
| Information | Format | Size |
| U.S._Armed_Forces_Institute_Basic_Radio_Code_ca1942_files.xml | Metadata | 56 KB |
| U.S._Armed_Forces_Institute_Basic_Radio_Code_ca1942_meta.xml | Metadata | 2.06 KB |
| U.S._Armed_Forces_Institute_Basic_Radio_Code_ca1942_reviews.xml | Metadata | 1.53 KB |
| Other Files | Book Cover Image |
| Basic Radio Code - Album Cover | 33 KB |
![[3.0 out of 5 stars]](/images/star.png "[3.0 out of 5 stars]")
Reviewer: aw. Megalon - - August 25, 2009
Subject: Morse code
Come to say, though I don't have an interest in Morse code, I was searching for the beeps to make a SOS distress signal for my project. I couldn't find a complete sample so I had to construct one and your collection was my first and last hit.
I'm sure that there are (amateur)sailors that find an interest in knowing these signals. I'm glad you posted this, cheers.
Reviewer: drewaf2z - - August 7, 2009
Subject: Learning Morse Code
The labeled code speeds are actually somewhat slower than what is heard in the recordings. I'm not sure why that would be the case, unless there was a different standard for calculating WPM at the time these recordings were made.
There have been nearly 1,000 downloads of these recordings in the first year, so I guess people find them to be somewhat interesting. If you have actually tried o learn Morse Code from these recordings please post your comments.
