| 000 | 00951nam a22002537a 4500 | ||
|---|---|---|---|
| 001 | biblionumber | ||
| 003 | Bo-uto-iel | ||
| 005 | 20241028115509.0 | ||
| 007 | ta | ||
| 008 | 241028b1986 ale||||f |||| 00| 0 en d | ||
| 020 | _a3-8009-1458-1 | ||
| 040 |
_aUTO _beng _cBo-uto-iel _eRDA |
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| 041 | _aeng | ||
| 082 |
_221 _a621.384 15 _bB825p |
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| 100 | 1 |
_eautor _aBraun, Gerhard |
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| 245 | 0 | _aPlnning and Enginneering of Shortwave Links | |
| 250 | _aSecond Edition | ||
| 260 |
_aBerlin-Alemania: _bSiemens Aktiengesellschaft, _c1986. |
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| 300 |
_a338 paginas _bGraficos, tablas, figuras _c21.5 cms |
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| 505 | _a1. Introduction. 2. Fundamentals. 3. Technical conditions for Shortwave Links. 4. Calculation of Shortware Paths for Sky-Wave Propagation. 5. Calculation of Shortwave paths for ground wave propagation. 6. Shortwave antennas. | ||
| 546 | _aEn español | ||
| 650 |
_aaudio-frequency modulated carrier. _942074 |
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| 942 |
_2ddc _cBK |
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| 999 |
_c25827 _d25827 |
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