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Tower with repeater antennas on it

Picture at left the repeater antennas being serviced in 2001. 2-meter on left, 70-cm on right.

Fred Vobbe, W8HDU is on the right side of the tower.


The KT8APR repeaters originally started life as KB8BMQ. This call sign was Frederick Vobbe's, (trustee and repeater owner), original call sign.

When Fred obtained the vanity call of his grandfather, the repeaters call signs were changed to W8HDU.

In 2009 a club was formed, and the club call sign KD8KUJ was issued by the F.C.C.

For a brief time the repeater operated as KT7APR, but through a vanity application the repeater system was granted KT8APR.

Over the years significant advancements in technology were employed to add to the quality of the repeater, including the manufacturing of antennas, filters, and beta testing components for communications and controller systems.

The Lima Digital Analog Technical Radio Technical Society (DARTS) is dedicated to training, education, and proper use of amateur radio systems and professional on-air operation. Membership is by invitation, and is not limited to amateur radio operators or citizens of the United States. L-DARTS focus is on communications technologies, including amateur radio, broadcast and commercial digital and analog communications
, design, and manufacturing of communications equipment. We seriously encourage D.I.Y. and homebrew.

The "KT8APR" in the call sign signifies TAPR, an organization dedicated to the enrichment and education of digital transmission systems. Dr. David B. Toth (co-trustee) was President Emeritus of TAPR, and is now SK.


Repeater Site Location

All three repeaters are located at the studio and transmitter site of WLIO Channel 8, and WOHL-CD Channel 35 in Lima, Ohio. The coordinates are 40-44-51.2 north, by 84-07-54.3 west (NAD 83). The transmission site is 870 feet above sea level. F.C.C. tower registration is 1014519. WLIO and WOHL-CD carry ABC WOHL-CD (35.1), CBS WOHL-CD (35.2), Fox WLIO (8.2), and NBC WLIO (8.1) all broadcasting in digital HD. In addition, America One on WFND-LD(22.1) analog in Findlay OH. WLQP and WLMO are presently STA status for analog broadcasting to the downtown Lima region. Map to Repeater Site. Look for a 500-foot tower with a 50-foot UHF pylon on the top.

Repeaters Specifications

The 6-meter repeater is analog, with a transmitter output of 53.630 MHz. The input is 52.630. PL 107.2 for access. The 4-bay antenna is 260 feet above ground, and custom designed by W8HDU. ERP is 147 watts. The antennas are mounted on the west side of the tower. The pattern omni-directional but there is a slight suppression to the northwest on a vector of 315-degrees due to the tower. The repeater is tied to the 2-meter repeater full time, and is IRLP Node 4370.  (Repeater is being upgraded soon to include a voter and 550 watt ERP).

2-meter repeater is also analog, with a transmitter output on 145.370 MHz. The input is 144.770 input. PL 107.2 for access. The antenna is a four bay omnoid at 316 feet aat, with a power of 92 watts ERP. The antenna is a custom designed 4-bay closed dipole design by W8HDU. The antenna pattern has a sharp 6 dB null on a vector of 2-degrees north to protect another repeater located in Michigan. (Users will loose the signal along US30 in northern Allen County and north to Ottawa in Putnam County). The repeater is tied to the 6-meter repeater full time, and is IRLP Node 4370.

The 70-cm D-STAR repeater has been taken off the air effective 10/1/2017 due to lack of support.

Another repeater located at this site is the W8AOH repeater, operated by the Allen County Office of Emergency Management (Allen County EMA). This repeater operates on 146.7450 MHz, and is maintained by the Lima DARTS.  It has a PL of 100.00 for access.

The KT8APR repeaters are open for use by all amateur radio operators as long as they conduct their activities according to the ruled and good engineering practices.  IRLP users must disconnect (73) connected nodes if you are not monitoring.  If you walk away and leave it connected, you lose your ability to use the IRLP system.

Remember that this is a professional repeater system. Accessing the repeater without identifying is not tolerated.


Trustee Contact Information

Frederick R. Vobbe, W8HDU - 706 Mackenzie, Lima OH 45805

Dr. David B. Toth, VE3GYQ - (SK)

All club correspondence should be sent to Fred Vobbe, or e-mail fvobbe@wlio.com. Short phone calls may be made to 419-228-8835 x1034 8AM-3PM weekdays.

Don’t be a chump and kerchunk. Please Say your ID at all times!”


8393900 Last modified: 2017-10-17 12:02:41, 8703 bytes

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