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KD8EAD / KD8FJH Solar Power Tower
Posted by: Groundspeak Premium Member Crystal Sound
N 39° 17.555 W 082° 49.040
17S E 343279 N 4350819
Quick Description: Entirely Solar Powered Repeater near Tar Hollow State Forest. APRS Digipeater in operation on site.
Location: Ohio, United States
Date Posted: 1/10/2007 7:31:44 AM
Waymark Code: WM14B6
Views: 334

Long Description:
The KD8EAD tower is located approximately 6 miles east of Chillicothe, just north of US-50, and adjacent to Tar Hollow State Forest. Tower base is at 1100 feet elevation and rises to 70 feet above the ridgeline. The tower hosts an APRS telemetry site providing solar panel voltage and ambient temperature data.

This site is unique for the area, in that it is 100% powered by solar energy via an array of solar panels. Deep-cycle batteries provide for power storage. All equipment is 12 volt DC.

A graph of the battery voltage can be seen here:

(visit link)

See a list of nearby active APRS stations here: (visit link)

See nearby active APRS station on a map here:
(visit link)

View the tower position beacon here:
(visit link)

View tower beacon raw data here: (visit link)

Current Equipment:

Argent Data Systems OpenTracker+
ICOM 2200H 2M Transceiver - APRS - TX set at 5 watt.
Diamond X700 12dB gain omni antenna
Amphorous Silicon 45 Watt Solar Panel Array {3x 15w panels}
Siemens Pro-4JF 75W Solar Panel {Monocrystalline}
(2) Siemens (Specialty Concepts) 15 Amp Charge Controllers
(2) Everstart Maxx 125 Amp-Hour Deep Cycle Batteries

Check this page for updates. We are constantly adding or upgrading something at the tower site.

This page can be reached via a shortcut at:

Thanks to the "Athens APRS Guys" : (visit link) - they are doing some really cool stuff!
Repeater Call Sign: KD8FJH-10

Output Frequency: 144.00

Input Frequency: 144.00

Input/Output Tone: No tone is required for input, and no tone is encoded on output.

Output Power: 5.00

Antenna height (above average terrain): 400.00

Club Web Page: [Web Link]

IRLP: no

Echolink: no

Input Tone: Not listed

Output Tone: Not listed

IRLP Node ID: Not listed

Echolink Node Number: Not listed

D-STAR: Not listed

Visit Instructions:
Not ham operator: Obtain geographical proximity to repeater site and post relevant picture with log. CAUTION: Observe posted KEEP OUT signs to prevent exposure to high levels of RF emissions. Do not climb towers. Do not trespass. Ham operator: Complete a QSO on the repeater. Requirements: Your call, the other station's call, signal report from other station, your location relative to repeater (GPS coordinates, or bearing/distance), transmit power.
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