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Equipment, Signal Coverage, and Basic Facts

Frequencies: 1710 khz AM; 97.9 mhz FM

Transmitter location: Acme Park, 154 Great Road, Shirley Center/North Shirley

Sign on date: AM: April 2004; FM: November 2009

AM Effective Radiated Power: 100 milliwatts (1/10th of a watt) FCC Part 15 maximum power level.

AM Antenna: Home constructed 3 meter vertical, impedance matched with a base loaded tuning coil and elevated about 17 feet above ground level.

FM Antenna: Standard quarter wave with a 4 element ground plane, elevated 20 feet above ground.

AM Transmitter: SStran Model AMT5000 assembled from a kit.

FM Transmitter: CZE-01A.

Coverage Area:
The neighborhoods of North Shirley, Shirley Center, and Woodsville in the town of Shirley, Massachusetts. Maximum range is 2 miles, but more is possible using good DX equipment or car radio. (AM range is during daylight hours only in locations AWAY from power lines. See map below.) During the most ideal conditions (daytime - morning - winter - dry weather), the AM signal can be received on a high quality car radio at "hot spot" locations over three miles away.

Do you only hear the strongest AM stations on your car radio and the rest is noise? Chances are your antenna connection is faulty or corroded.  If your vehicle is still under warranty, your dealer will repair the problem free of charge.

Folk/Acoustic, Americana, New Age and World Music. Imagine the musical sensibilities of the 1980's and early 1990's WUMB (with fewer restrictions) and WERS Coffeehouse, the actual music library of Walden 1120 updated and maintained since its 1997 demise, with world music and overnight new age added. That is our sound! We feature more than 13,000 quality selections from over 2,500 artists... with many more yet to come.

Heritage: Walden 1120 AM, Concord, MA (1989-1997), Folk (1997-2004)

Earliest Format Inspirations:
WSLE, 92.1 FM "The Folks Station" in Peterborough, NH (which had a good signal in Shirley when it existed in the late '70's and early '80's) and WCAS, 740 AM in Cambridge, MA (1970's).

Troubadour 1710 Transmitter and Antennas
(with the Liberty & Justice 1640 arrays in the background)
L to R: 97.9 FM, 87.9 FM, 1710 AM, 1640 AM
Troubadour 1710 Signal Coverage
T1700 Antenna Array Darker shaded area is primary daytime AM coverage, primary FM coverage,
and full nighttime AM coverage.
Lighter shaded area is secondary (weak) daytime AM coverage
and secondary FM coverage.
Map reflects ideal (winter) conditions.

Troubadour 1700 signal coverage