| 1. | Pulse trains have been recorded off Puerto Rico and in Massachusetts Bay.
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| 2. | Usually this permits a pulse or pulse train to be sensed.
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| 3. | The AC output load current will therefore look like flat peaks, square pulse train.
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| 4. | The pulse trains off Puerto Rico were recorded in March.
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| 5. | We have to follow up and see if we see more of these pulse trains.
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| 6. | Connecting the antenna directly to the spark gap produced only a heavily damped pulse train.
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| 7. | A similar approach uses spectral shaping of optical frequency combs to create multiple pulse trains.
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| 8. | Where a pulse train or some other wave-shaping is used, a range of frequencies may be involved.
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| 9. | Detections of pulse trains peaked during August and September, with most calls being heard from mid-July to mid-November.
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| 10. | Two such " dying pulse trains " were observed, which is consistent with the existence of a black hole.
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