Call Letters Meaning on Wikipedia

Larry Weil
Thu Jun 13 20:16:31 EDT 2019


Larry Weil
Hudson, FL

Sent from my iPhone, so please excuse the brevity.

> On Jun 13, 2019, at 4:44 PM, Bob Nelson <> wrote:
> Isn't ham radio the opposite of traditional broadcast...those west of the
> Mississippi start with W and those east start with K (KA1ABC for example?)
>> On Thu, Jun 13, 2019, 3:33 PM Rob Landry <> wrote:
>> My understanding is that the first call signs adssigned to radio stations
>> were military, and began with A for Army and N for Navy. These stations
>> were not broadcasters and used Morse code, in which A = didah and N =
>> dahdit.
>> When additional call signs needed to be assigned, somone had the idea of
>> adding an extra dash to the prefixes: didahdah = W, dahdidah = K. After
>> the war (World War I), when the alphabet was divided among various
>> countries for call sign allocation, the U.S. claimed A, N, K, and W (the
>> British got G, M, V, and Z).
>> Today the U.S. still has N, K, W, and AA through (AL? I forget). All four
>> are used for ham radio call signs, but only K and W are used for
>> broadcasting stations.
>> Rob
>>> On Wed, 12 Jun 2019, A. Joseph Ross wrote:
>>> My father thought the W stood for Washington.  When I saw that some
>> stations'
>>> call letters started with K, I asked him, and he said it stood for
>>> California.

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