# Odd but true - my satellite-synced clock radio is always 10 minutes slow

**URL:** <https://boards.straightdope.com/t/odd-but-true-my-satellite-synced-clock-radio-is-always-10-minutes-slow/779773>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [February 13, 2017, 8:32pm UTC](https://boards.straightdope.com/t/odd-but-true-my-satellite-synced-clock-radio-is-always-10-minutes-slow/779773 "2017-02-13T20:32:03Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![Czarcasm](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/czarcasm/32/4050_2.png) [@Czarcasm](https://boards.straightdope.com/u/Czarcasm)\
**Post date:** [February 14, 2017, 9:02pm UTC](https://boards.straightdope.com/t/odd-but-true-my-satellite-synced-clock-radio-is-always-10-minutes-slow/779773/21 "2017-02-14T21:02:38Z")

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I’ve got an Emerson Research synchronized clock radio, and never had a problem with it-it’s always accurate.

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**Author:** ![Kimballkid](https://avatars.discourse-cdn.com/v4/letter/k/b5a626/32.png) [@Kimballkid](https://boards.straightdope.com/u/Kimballkid)\
**Post date:** [February 15, 2017, 1:20am UTC](https://boards.straightdope.com/t/odd-but-true-my-satellite-synced-clock-radio-is-always-10-minutes-slow/779773/22 "2017-02-15T01:20:52Z")

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My Sony is still right on time.

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**Author:** ![JohnGalt](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/johngalt/32/184_2.png) [@JohnGalt](https://boards.straightdope.com/u/JohnGalt)\
**Post date:** [February 15, 2017, 2:43am UTC](https://boards.straightdope.com/t/odd-but-true-my-satellite-synced-clock-radio-is-always-10-minutes-slow/779773/23 "2017-02-15T02:43:09Z")

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Is it possible that it’s in “demo” mode for display in a store, running off a time set at the factory and an internal clock driven by the battery? That way there’s no problem receiving the signal if it’s inside a box inside a container inside a room inside a store inside a mall (although the WWV signals should still reach it). Maybe they have it running from the battery just to show that the digits are working. Taking out the battery sounds like a reasonable thing to try.

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**Author:** ![ftg](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ftg/32/2801_2.png) [@ftg](https://boards.straightdope.com/u/ftg)\
**Post date:** [February 15, 2017, 5:28pm UTC](https://boards.straightdope.com/t/odd-but-true-my-satellite-synced-clock-radio-is-always-10-minutes-slow/779773/24 "2017-02-15T17:28:07Z")

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> [@Amateur\_Barbarian](#):
>
> I prefer clocks that run 20 minutes into the future, anyway.

Blank Reg would agree.

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