[time-nuts] Re: Tonga effect on GPS

2022-02-08 Thread glen english LIST
I work closely with the Australia Bureau of Meteorology , I am the  RF Space Weather technical lead. (contractor) The papers are being readied for publication right now. Here is one of the papers, NOT Peer reviewed yet https://www.essoar.org/doi/10.1002/essoar.10510350.1 you can download the

[time-nuts] Re: Tonga effect on GPS

2022-02-08 Thread Lux, Jim
On 2/7/22 4:57 PM, Erik E. Fair wrote: I wonder if the Tonga volcano explosion had measurable effect on the Earth's rotation, and what that means for UTC leap seconds (or not) from the IERRS. Erik The folks at JPL usually put out a press release if there is an effect, but it takes a m

[time-nuts] Re: Tonga effect on GPS

2022-02-08 Thread Erik E. Fair
I wonder if the Tonga volcano explosion had measurable effect on the Earth's rotation, and what that means for UTC leap seconds (or not) from the IERRS. Erik ___ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an emai

[time-nuts] Re: Tonga effect on GPS

2022-02-07 Thread Lux, Jim
On 2/7/22 12:46 PM, Kevin Rowett wrote: Interesting data… Can someone put the disturbance in perspective? How much would this affect navigation, or timing, and how large (or small) is this disturbance in magnitude as compared to other events (CMEs?). looks like a small single digit variati

[time-nuts] Re: Tonga effect on GPS

2022-02-07 Thread Attila Kinali
On Mon, 7 Feb 2022 12:46:47 -0800 Kevin Rowett wrote: > Can someone put the disturbance in perspective? How much would this > affect navigation, or timing, and how large (or small) is this disturbance > in magnitude as compared to other events (CMEs?) Dual-frequency receivers: very little, as

[time-nuts] Re: Tonga effect on GPS

2022-02-07 Thread Kevin Rowett
Interesting data… Can someone put the disturbance in perspective? How much would this affect navigation, or timing, and how large (or small) is this disturbance in magnitude as compared to other events (CMEs?). KR, K6TD > On Feb 7, 2022, at 11:43 AM, John Moran, Scawby Design > wrote: >