# Duty Cycle - Time on Air

**URL:** <https://www.thethingsnetwork.org/forum/t/duty-cycle-time-on-air/122>\
**Category:** TTN Network and Services\
**Created:** [September 24, 2015, 11:20am UTC](https://www.thethingsnetwork.org/forum/t/duty-cycle-time-on-air/122 "2015-09-24T11:20:20Z")\
**Posts on this page:** 1\
**Showing post:** 54

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**Author:** ![kersing](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/kersing/32/44777_2.png) [@kersing](https://www.thethingsnetwork.org/forum/u/kersing)\
**Post date:** [February 26, 2020, 12:12pm UTC](https://www.thethingsnetwork.org/forum/t/duty-cycle-time-on-air/122/54 "2020-02-26T12:12:16Z")

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> [@vinayakmp](#):
>
> what are the chances that all my 1000 end nodes get successful transmission to Gateway ?  
> I am going to set data transmission almost same time.

0%

You will suffer severe loss if you set all nodes to send at the same time.  
You **must** use some algorithm to stagger transmissions over a period of time.

BTW, a node does not connect or send to a gateway, it just transmits and if you are lucky one or more gateways receive the data.

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