receive WWVB tranismissions. They work OK but they are below ground. I was wondering if I can buy a repeater, build a repeater, or build a transmitter. I'm thinking I could put a repeater where the signal is always strong and rebroadcast the signal a little stronger so that the entire house is covered. Another thought I had was a transmitter.
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Not a repeater but a micro-WWVB transmitter, [Anish]’s build consists of a GPS receiver module and an ultra low-power 60kHz transmitter based on an ATtiny44a microcontroller’s hardware PWM driving a ferrite rod antenna. It’s not much of a transmitter, but it doesn’t need to be since the watch is only a few inches away.
In this article the author dissects a radio-controlled clock that syncs with the NIST transmitter, WWVB, in Colorado. The radio receiver seems to be a single integrated unit: Of special note is t...
ALANO WWVB 60kHz NIST Radio Controlled Clock Module, 30dB High Gain Atomic Clock Receiver Modules with LCD Display, 100mm Antenna 1.2 to 5V Operating Voltage for Radio/Radio Alarm Clock/Timer 5.0 out of 5 stars 1

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EverSet ES100 is a fully self-contained phase modulation time code receiver that receives and decodes the 60 kHz time signal from the National Institute of Standards and Technology’s WWVB transmitter located in Ft. Collins, Colorado, USA.
The north antenna system at WWVB has an efficiency of about 56.3%, and the south antenna has an efficiency of about 54%. However, the combined efficiency of the two antennas is about 68.8%. As a result, each transmitter has to produce a forward power of about 51 kW to produce an effective radiated power of 70 kW.
KA7OEI - Remote antenna for 60 kHz (WWVB) reception. ... For example, if the transmitter is due east or west of your location, the hole in the center of the loop ...

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Aug 04, 2003 · I'm in Atlanta, so WWVB is generally west from me. I don't know how the internal antenna element is oriented, but I assume it's parallel to the big flat dimension of the clock, so either east or west should have worked best. Obviously the building is attenuating the signal, but I really want it to work in that room, so I've got to find a way WWVB radio controlled clocks should be able to work in most places in North America. The red areas on the coverage maps below show where a WWVB radio controlled clock should be able to synchronize. Note that the red area is largest at night, and smallest in the daytime (click on the map to see a larger image). EverSet ES100 is a fully self-contained phase modulation time code receiver that receives and decodes the 60 kHz time signal from the National Institute of Standards and Technology’s WWVB transmitter located in Ft. Collins, Colorado, USA. It contains a digital correlation receiver to extract the time code information from the received signal.

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