| 21. | On 60 meters hams are restricted to only one signal per channel and automatic operation is not permitted.
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| 22. | This design suffered from the disadvantage that automatic operation was lost and the interrupter had once again to be hand-cranked.
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| 23. | The SMG-68 is a . 68 caliber version of the SMG-60, configured for semi-automatic operation, and featuring a removable barrel.
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| 24. | Wadjemup Lighthouse was converted to automatic operations in November 1986 and is currently operated to the Australian Maritime Safety Authority.
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| 25. | The average user will appreciate its largely automatic operation, though, while experts enjoy the powerful tools and extreme configurability ."
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| 26. | There is also an option to override the automatic operations of the Master Control Board for the three devices listed above.
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| 27. | The new lighthouse was converted to automatic operation in 1990 resulting in the departure of the lighthouse keepers and their families.
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| 28. | By 1970, studies progressed far enough to allow the construction of an automatic single-and 3-shot burst model but without full-automatic operation.
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| 29. | It was described as the " world's largest push-button yard . " The eastbound hump yard was installed with semi-automatic operation.
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| 30. | Five of the six trains of 1960 stock were modified, and automatic operation of the branch began on 5 April 1964.
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