User Manual

Confidentoial
Patent #’s 7,420,471
5,939,986 and 6,810,353
Patent Pending
Page 4 of 7
Strata Proximity Systems Underground Generator Users Manual v1.0
Confidential and Proprietary
October 5, 2011
1.2 Frequency of Operation
The Underground Proximity Generator will transmit on a frequency of 73 kHz and receive on a
frequency of 916.48 MHz
1.3 Approvals
1.3.1 MSHA Approval
The MSHA approval number is 18-PDA09003-0.
1.3.2 Pennsylvania Approval
The Pennsylvania approval number is BFE69-11.
1.4 Label Information
The Underground Proximity Generator label is located on the bottom face of the shunt. A
picture of the Strata and MSHA label is below:
The Strata label defines the model and serial number of the Underground Proximity Generator.
The MSHA label provides the MSHA approval number and specific MSHA certification.