I found an eBay photo that shows C1029 as a NP0 temperature coefficient. That's what you will want to use if possible for any added cap.
73
-Jim
NU0C
On Wed, 20 Mar 2024 22:04:18 -0500
"Jim Shorney via groups.io" <jimNU0C@...> wrote:
Pad C1029 with a few pF