Frequently Asked Troubleshooting Questions

Radiosonde

BACK TO FAQs

 

How long does it take the RRS Sippican MKIIA battery to activate in 10 to 25 degrees Celsius water?

What frequency wire do I cut on the Sippican MKIIA to tune it to 1680 MHz?

Why shouldn’t I set the radiosonde on a solid surface during baseline or launch?

The radiosonde was rejected the for bad PTU data.  What is the appropriate action?

 

 

Question: How long does it take the RRS Sippican MKIIA battery to activate in 10 to 25 degrees Celsius water?

Answer: Leave the battery in the water for two minutes.

Reference: NWSM 10-1401 Appendix N (Step 2k)

(old Reference: WSOH-10 Appendix D)

Question: What frequency wire do I cut on the Sippican MKIIA to tune it to 1680 MHz?

Answer:

Reference: NWSM 10-1401 Appendix N (Step 2e, Table N-1)

(old Reference: WSOH-10 Appendix D)

 

Question: Why shouldn’t I set the radiosonde on a solid surface during baseline or launch?

Answer:
Placing the radiosonde in or on a solid surface (i.e. desk or pavement) can cause the problems with GPS satellite lock and could cause electrical noise or feedback that could adversely affect the signal being received.

Reference: NWSM 10-1401 Appendix N (Step 2z)

(old Reference: WSOH-10 Appendix D)

 

Question: The radiosonde was rejected the for bad PTU data.  What is the appropriate action?

Answer:
If a radiosonde is rejected, immediately replace the hygristor cap on the instrument, replace the sleeve over the temperature sensor, and place back into radiosonde package. Fill in the WS Form H-6 for Defective Radiosondes and Batteries. It should be re-inspected by the next observer to re-verify the problem still exists.

Reference: NWSM 10-1401 Appendix N (Step bb)

(old Reference: WSOH-10 Appendix D)