GPX/Nmea to Data Layer: speed is wrong

[StephaneP]

What steps will reproduce the problem?

1. open a nmea file
2. convert it to a data layer

What happens instead?

The speed tag shows a wrong value. The speed should be multiply by 3.6. It looks like a m/s or km/h conversion.

Please provide any additional information below. Attach a screenshot if possible.

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2018-07-30 21:57:20 +0200 (Mon, 30 Jul 2018)
Revision:14067
Build-Date:2018-07-31 01:53:35
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (14067 en) Windows 10 64-Bit
OS Build number: Windows 10 Pro 1803 (17134)
Memory Usage: 1462 MB / 6144 MB (550 MB allocated, but free)
Java version: 10.0.2+13, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1920x1200
Maximum Screen Size: 1920x1200
Dataset consistency test: No problems found