" completely 100% waterproof seal"; famous last words, in the absence of a dry nitrogen pressurization.
Lester B Veenstra MØYCM K1YCM W8YCM [email protected] US Postal Address: 5 Shrine Club Drive HC84 Box 89C Keyser WV 26726 GPS: 39.33675 N 78.9823527 W Telephones: Home: +1-304-289-6057 US cell +1-304-790-9192 Guam Cell: +1-671-929-8141 Jamaica: +1-876-352-7504 This e-mail and any documents attached hereto contain confidential or privileged information. The information is intended to be for use only by the individual or entity to whom they are addressed. If you are not the intended recipient or the person responsible for delivering the e-mail to the intended recipient, be aware that any disclosure, copying, distribution or use of the contents of this e-mail or any documents attached hereto is prohibited. -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Chris Albertson Sent: 28 September 2012 16:55 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Up And Running > Normally outdoor enclosures and antenna radomes contain some sort of small weep hole to drain any moisture that may enter the enclosure or vent to equalize pressure changes with temperature. Not mine. The outdoor timing GPS antennas I have use an O-ring to form a completely 100% waterproof seal. The radomes are pressure tight and in my estimation would hold at least two atmosphere of pressure in either direction. I think this is pretty common for GPS antenna. Spend $30 and buy a "real" outdoor GPS antenna and it will have a pointed top and will be 100% sealed. Mount it on the end of a 1" iron pipe the cable goes down the pipe. Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
