US 12,422,585 B1
Satellite and magnetic field sonde apparatus and methods
Mark S. Olsson, La Jolla, CA (US); Jesse O. Casares, El Cajon, CA (US); Jan Soukup, San Diego, CA (US); Stephanie M. Bench, Sandersville, GA (US); Ray Merewether, San Diego, CA (US); David A. Cox, San Diego, CA (US); and Justin W. Taylor, Bend, OR (US)
Assigned to SeeScan, Inc., San Diego, CA (US)
Filed by SeeScan, Inc., San Diego, CA (US)
Filed on Sep. 8, 2021, as Appl. No. 17/467,438.
Application 17/467,438 is a continuation of application No. 16/792,047, filed on Feb. 14, 2020, granted, now 11,119,238.
Application 16/792,047 is a continuation of application No. 14/800,490, filed on Jul. 15, 2015, granted, now 10,571,594, issued on Feb. 25, 2020.
Claims priority of provisional application 62/024,920, filed on Jul. 15, 2014.
This patent is subject to a terminal disclaimer.
Int. Cl. G01V 3/15 (2006.01); G01S 19/42 (2010.01); G01V 3/02 (2006.01); G01V 3/08 (2006.01); G01V 3/165 (2006.01)
CPC G01V 3/15 (2013.01) [G01S 19/42 (2013.01); G01V 3/02 (2013.01); G01V 3/081 (2013.01); G01V 3/165 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An antenna apparatus, comprising:
a magnetic field sonde including a coil; and
a GPS satellite location system antenna node oriented in a predefined position relative to the magnetic field sonde;
wherein a phase center of the satellite location system antenna node and coil centroid of the magnetic field sonde share a substantially common point in space.