[AMMRL] ly generated NUS lists and Constant Time delay errors with Topspin

From: brcherry via groups.io <brcherry=asu.edu_at_groups.io>
Date: Mon, 08 Dec 2025 11:07:41 -0800

HI,

I've run into an issue with externally generated NUS list and certain 3D
experiments.  My end goal is a NUS capable version of R. Reik Et al.
"Super-resolution Trosy HNCA and HNcoCA experiments. doi:10.1126/sciadv.adv6246  
I get the same errors when trying to execute the Bruker supplied parameter set for
TRHNCAGP3D2 that these sequences are based on.

The problem is a negative delay associated with the first use of d30 in the
pulse code. d30 is a calculated delay.  I've tried explicitly setting
it to a value but still run into the same error,

*Error in ipsoControl:: dpsReady (): dpsReady: tcuerror:  duration is
negative.*

If I use the "automatic" Bruker generated NUS list this error goes away. 
Has anyone experienced this issue?  Know a work around?  For the
Super resolution experiment to work I need to generate an explicit "vc" list
that is tied to the NUS list for handing the non-uniform number of averages.

Thanks,
Brian


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Received on Mon Dec 08 2025 - 13:58:40 MST

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