| 000 | 00790cam a2200193 4500 | ||
|---|---|---|---|
| 020 |
_a030436651X (pbk.): _c6.99 GBP |
||
| 100 | 1 | _aMACKSEY Kenneth | |
| 245 | 0 |
_aThe searchers: _bradio intercept in two world wars |
|
| 260 |
_aLondon: _bCassell Military, _c2004 |
||
| 300 | _a288p. | ||
| 520 | 3 | _aThe first detailed account of Britain's Y Service - the branch of intelligence dedicated to finding wireless transmissions. Without Y Service there would have been nothing for the codebreakers to work on and products such as Ultra and Magic would not have existed. | |
| 650 | _aFIRST WORLD WAR | ||
| 650 | _aRADIO INTERCEPTION | ||
| 650 | _aSECOND WORLD WAR | ||
| 650 | _aSIGNALS INTELLIGENCE GATHERING | ||
| 650 | _aWIRELESS COMMUNICATION | ||
| 650 | _aY SERVICE | ||
| 945 |
_i0015070 _rY _sY |
||
| 999 |
_c3084 _d3084 |
||