From c31e57fee7b19effc26df6251a9f9f45dfd3d8ae Mon Sep 17 00:00:00 2001 From: Mike Black W9MDB Date: Mon, 7 Mar 2022 22:16:59 -0600 Subject: [PATCH] Add some notes on FT847 serial numbers for unidirecitonal change --- rigs/yaesu/ft847.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/rigs/yaesu/ft847.c b/rigs/yaesu/ft847.c index 803211f19..30bff062a 100644 --- a/rigs/yaesu/ft847.c +++ b/rigs/yaesu/ft847.c @@ -677,8 +677,22 @@ const struct rig_caps mchfqrp_caps = * ft847uni rigs capabilities. * Notice that some rigs share the same functions. * Also this struct is READONLY! - */ + Yaesu appears to use the following format for serial numbers on their +amateur products: +Year of manufacture-Month of manufacture-Production Run-Individual Unit +number, where the month of manufacture is offset by 2, so "C" means January, +"D" means February, "E" means March, and so forth. + +Example: 8G051234 = 1998, May (fifth month, or "G"), Production Run 05, unit +#1234 in this run. + +One key serial number range is 8G05. This seems to be the point at which +Yaesu had corrected the bi-directional CAT issue and made some other +improvements. This version was made in May 1998. Later serial numbers (e.g., +8L09nnnn) all seem to have incorporated the earlier improvements plus new +ones...." + */ const struct rig_caps ft847uni_caps = { RIG_MODEL(RIG_MODEL_FT847UNI),