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On Wed, 30 Mar 2005 10:35:30 -0500, "Bill Ogden"
wrote: I have one of the MFJ "atomic" clocks in my basement shack (in New York) It will not pick up the WWV signal in the basement, but does fine when upstairs and placed in a vertical position. There is no external antenna connector---that would make things too easy. Is there an accepted way to connect an external antenna? Any experience with external antennas on these things? (This should be a very common problem!) I have not taken it apart yet -- sometimes such things are easier to take apart than to put back together. I am quite willing to take it apart if there is a good reason for doing so. Bill W2WO Below are some tips from the Ramsey Electronics site on improving atomic clock reception bob k5qwg If you have a desk top unit, try rotating it 90 degrees. If you have a wall clock try mounting it on a wall perpendicular to the one it is currently on (e.g. if it is on a north-south wall try a east-west wall). The antennas are directional and you might be able to improve the signal strength by turning the antenna. Place the clock along a wall or near a window that faces Colorado. Locate the clock at least 1 or 2 meters away from any computer monitors, which can cause interference (some monitors have a scan frequency at or near the WWVB carrier frequency of 60 kHz). If you are in a strong interference area, or in a highly shielded location you might not be able to receive the 60 kHz signal from WWVB. |
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