| 000 | 00637nam a22002052 4500 | ||
|---|---|---|---|
| 001 | hsl001005501 | ||
| 003 | DGPO | ||
| 005 | 20170826152540.0 | ||
| 008 | 170106s1977 dcu r f000 0 eng d | ||
| 040 |
_aGPO _cGPO _dMvI |
||
| 086 | 0 | _aTD 4.8/2:6510.6 | |
| 099 | _aTD 4.8/2:6510.6 | ||
| 245 | 0 | 0 | _aU.S. national aviation standard for the VHF air-ground communications system. |
| 260 |
_a[Washington, D.C., _c1977]. |
||
| 300 | _av. | ||
| 500 | _a11/11/77. | ||
| 500 | _aCRDP Program Historic Shelflist record. | ||
| 650 | 0 |
_aAir traffic control _xCommunication systems. |
|
| 710 | 1 |
_aUnited States. _bFederal Aviation Administration. |
|
| 949 |
_aBEV _bFed Docs |
||
| 999 |
_c264019 _d264019 |
||