[time-nuts] 3 volt/ 5 volt antenna

Lester Veenstra lester at veenstras.com
Wed Mar 13 12:20:03 EDT 2013


Well of course you are correct. My "mushroom" is fine,
Wish I could say the same for the connector/adaptors I used on the way to
the mushroom.   
All is fine now after "reseating" connectors.


Lester B Veenstra  MØYCM K1YCM W8YCM
lester at veenstras.com

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-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Bob Camp
Sent: Wednesday, March 13, 2013 11:33 AM
To: lester at veenstras.com; 'Discussion of precise time and frequency
measurement'
Subject: Re: [time-nuts] 3 volt/ 5 volt antenna

Hi

There are a ton of "timing" GPS antennas on the usual auction sites. Cone
shaped or mushroom shaped white plastic enclosures. Mast mount with a coax
connector on the bottom (occasionally a pigtail). They generally sell for
less than $30. 

I've never seen one of the sub $30 ones that wanted anything other than 5
volts. Even the 5 volt ones seem to survive long term (days) exposure to
+12. I'm not sure I'd count on that with every single one of them 
+though. No
I didn't test that "feature" on purpose....

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Lester Veenstra
Sent: Wednesday, March 13, 2013 11:04 AM
To: 'Discussion of precise time and frequency measurement'
Subject: [time-nuts] 3 volt/ 5 volt antenna

I have a Thunderbolt and a Zypher Nanosync II GPSDO, both of which put out 5
V.  The typical EBAY "Marine GPS Antenna" is not voltage labeled, but since
it died after a few hours, I assume it was 3 volt.  Any suggestions on a mod
to either unit to change the feed to 3 volt, or suggestions on a reasonable
cost 5 volt antenna.  Do not really need a "survey grade" antenna.
   Thanks 73  Les


Lester B Veenstra  MØYCM K1YCM W8YCM
lester at veenstras.com

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 UK cell                    +44-(0)7849-248-749 
Guam Cell:              +1-671-929-8141
Jamaica:                 +1-876-456-8898 
 
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.

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