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Stuart, Florida
United States
Branding WHDT 9
Channels Digital: 42 (UHF)
Virtual: 9 (PSIP)
Translators WLPH-CD 44 (9.1) Miami
WHDN-CA 32 Naples
Affiliations TACH-TV
WeatherNation TV
Owner Günter Marksteiner
First air date May 25, 2000; 14 years ago (2000-05-25)
Call letters' meaning High Definition Television
Former channel number(s) Digital: 59 (UHF, 2000–2009)
Former affiliations Deutsche Welle (2001–2011)
Retro Television Network (2010–2011)
Transmitter power 700 kW
Height 439.3 m
Facility ID 83929
Transmitter coordinates 26°34′36.7″N 80°14′31.8″W / 26.576861°N 80.242167°W / 26.576861; -80.242167
Licensing authority FCC
Public license information: Profile
Website www.whdt.net
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WHDT, virtual channel 9 (UHF digital channel 42), is an independent television station located in the Stuart, Florida, United States. The station is owned by Günter Marksteiner. WHDT maintains studio facilities located on Southeast Waaler Street in Stuart, and its transmitter is located on Wellington. The station's programming is simulcast on low-power translator stations WLPH-CD, virtual channel 9 (UHF digital channel 44), in Miami (with transmitter facilities located in North Miami) and WHDT-LD, virtual channel 6 (UHF digital channel 38), in Boston, Massachusetts (with transmiter facilities located in the Government Center district in downtown Boston).

On cable, WHDT is available on AT&T U-verse channel 44 in standard definition and channel 1044 in high definition, and on Comcast channel 17 in standard definition and digital channel 438 in high definition in West Palm Beach.


The station was founded on May 25, 2000; WHDT became the first digital television station in the United States, following a ruling by the Federal Communications Commission that the station could provide primary over-the-air service using only a digital signal. On June 1, 2001, when the station conducted the first over-the-air broadcast using a progressive high definition format operating at 720p, with custom-designed 24 mm frame-transfer cameras.

WHDT established the legal precedent requiring local cable systems to carry the primary programming of all digital television stations in both high definition format and in standard definition analog format. It is the first television station to have its high definition and standard definition feeds carried on cable providers under the FCC's digital "must-carry" rules. The station originally operated as the first broadcast partner of the Deutsche Welle world television service. WHDT is one of six stations operated by WHDT World Television Service (DE), a business unit of Marksteiner AG.

The station's two translators, WLPH-CD in Miami and WHDT-LD in Boston are notable as those station were the first and second digital translators to be authorized by the FCC. WLPH-CD has a longer history than its full-power cousin. The station was first licensed as W25AL on September 21, 1987. In 1989, it was moved to Coral Springs as W55BO, which functioned as a translator of Miami CBS owned-and-operated station WCIX (channel 6, now WFOR-TV on channel 4). Ownership of the station was transferred to Günter Marksteiner in 1996. The station continued to carry a full schedule of CBS programming until 1997, when it was relocated to North Miami and began digital translator operations for WHDT-DT in December 2001.

In August 2010, WHDT made the claim of being the first high definition affiliate of the Retro Television Network. However, none of the network's classic television programming was aired in true HD or remastered from film masters for HD presentation, and only more recent programming such as outdoors and automotive programming sourced from RTV sister network Tuff TV that aired weekends on the station was broadcast in the format.

On October 27, 2011, WHDT announced that it would disaffiliate from RTV and begin carrying programming from WeatherNation TV; it switched to the national network on the weekend of October 29.[1] On June 15, 2012, WHDT launched The Auto Channel Television Network (TACH-TV), a broadcast service dedicated to automobile enthusiasts,[2] which airs on the station daily from 12:00 to 6:00 and 8:00 to 11:00 p.m.

Digital television[edit]

Digital channel[edit]

Channel Video Aspect PSIP Short Name Programming[3]
9.1 720p 16:9 WHDT-TV Main WHDT programming / TACH & WeatherNation TV

As part of the digital television transition, UHF channels 52-69 were removed from the broadcast spectrum. Consequently, WHDT moved its digital signal from channel 59 to channel 42 after WXEL-TV shut off its analog signal on channel 42 on June 12, 2009. Because WXEL-TV continues to use its former analog channel number 42 as a virtual channel through the use of PSIP, WHDT was assigned 9 as its new virtual channel.


WHDT produces high definition program content for syndication and for broadcast. Its programming includes fashion and lifestyle program, live evening news and weather programs, documentaries, independent films, classical music concerts, equestrian sports, automotive news and motorsport program, aviation, fishing, cooking, travel and cultural shows. The station maintains a fully high definition schedule outside of paid programming (12:00 to 6:00 a.m., 7:00 a.m. to 12:00 p.m. and 7:00 to 8:00 p.m.). WHDT carries a live simulcast of WeatherNation TV toward the end of its newscast, during which time it displays the network's logo.

News operation[edit]

WHDT presently broadcasts seven hours of locally produced newscasts each week, not counting rebroadcasts (with one hour each on weekdays, Saturdays and Sundays). The station's newscasts, presently titled WHDT 9 World News, air every night as an hour-long broadcast at 6:00 p.m. that is rebroadcast at 11:00 p.m.; the weekend edition is a compilation of notable segments from the weekday broadcasts. The newscasts are produced by WHDT World Television Service, in association with its subsidiary Next News Network with offices in Boston, Chicago, Miami, West Palm Beach, Los Angeles and Washington D.C. The newscasts feature local and national stories as well as an extended interview segment, a brief weather segment from the National Weather Service featuring the forecast for the West Palm Beach area, an entertainment segment (Hollyscoop), and special reports from contributing editors.

See also[edit]


External links[edit]