How to Calibrate Tecsun PL-330 frequency for perfect tuning is same as Tecsun PL-990x
Tune a strong AM signal that you know is accurate, go in SSB make a zero beat of the audio so it sounds the same and press and hold LSB or USB until display light flashes twice

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Does grounding affect shortwave reception on the Tecsun PL 330?

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Personal observations of the Tecsun PL 990x VS Tecsun PL 330 in action

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Tecsun PL-330 80 meter band scan and some special wisdom from Grandpa!

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PL 330 Multiple Bandwidths and Re Calibration

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How I reduced my receive noise floor on HF by eliminating interference.

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TECSUN - PL330/990X/660 Hidden Features & Comparison

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Ham Radio - Can the Tecsun PL 330 be used for CW operation?

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Tecsun PL-330 up there at the top of the best portable receivers October 2021

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Tecsun S 2200x VS H 501x PL 990x should I upgrade or not

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Tecsun PL-990x-PL-330 and sangean ATS-909 X2

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Night Scanning: the Tecsun PL-330 Radio on Shortwave

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Tecsun PL-330 Shortwave - Simple, simple guide for SWL, AM, FM, and SSB.

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Tecsun PL-990x Has superb SSB tuning capability closer to high end desktop radios in performance

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Tecsun PL 990x Full review performance and why it is high end receiver PART 2 of 3

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AM Evening Scan on the Outstanding Tecsun PL-330

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TECSUN PL - 330 SW Radio Three additional hidden / secret features. #radio

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Using an External Antenna on the Tecsun PL 330 for MW: ETM Scanning and the Bandwidth Setting

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Tecsun PL-330 VS XHDATA D-808 on Shortwave

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Tecsun PL-330 Shortwave Radio. Is it really THAT good ? #radio

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