Question: What was the most listened to radio station in Sydney that Joel Labi was experienced with?

Context paragraphs:
Radioactive FM 96: Radioactive FM 96 is a youth cultured radio station, broadcasting in Karachi, Pakistan.  The radio station is owned and operated by Radioactive 96 FM Ltd.  The radio station has gained immense popularity amongst the upper, upper-middle and middle class youth of Karachi.  The radio is listened to not only by people in their cars, but at important youth events as well.

Radio Impuls (Czech Republic): Radio Impuls is a private radio station founded in the Czech Republic in 1999.  It is the most listened radio station in the country (as of late 2014).  Since 2014, it is owned by Agrofert group, a company owned by Andrej Babiš, the second richest man and Minister of Finance of the Czech Republic.

WFLF-FM: WFLF-FM, "Fox Newsradio 94.5 WFLA", is a news/talk radio station broadcasting in Panama City, Florida.  It was previously known as 94.5 The Fox under the calls WFBX, and played rock music.  With a 100,000 watt signal, it is by far the most powerful talk radio station in the Panama City market.  It features the most listened to talk show host in America (Rush Limbaugh) in the midday and morning talk with, Preston Scott.

DWDD-AM: DWDD (1134 kHz Metro Manila) "Ka-Tropa Radio" is an AM station of the Civil Relations Service, Armed Forces of the Philippines of the Republic of the Philippines.  Its radio transmitter and studios are located at PVAO Building, Camp Aguinaldo, EDSA, Quezon City.  This is the radio station usually being listened to during emergencies like natural disasters.

DWRK: DWRK (96.3 FM), broadcasting as 96.3 Easy Rock, is a music FM radio station, airing 24 hours a day with a Soft AC format.  This is the flagship station of the Easy Rock Network, owned by Cebu Broadcasting Company (an affiliate of Manila Broadcasting Company).  The station is currently broadcasting from Star City Complex, Pasay City and its transmitter is located atop the BSA Twin Towers in Mandaluyong City, sharing the same site with 90.7 Love Radio & 101.1 Yes The Best.  It is the most listened to easy-listening radio station preferred by listeners, especially in the office, and also by motorists in Metro Manila, as conducted by Nielsen Radio Research Survey.

WLXX: WLXX (92.9 FM) is an FM radio station broadcasting a country music format.  Licensed to Lexington, Kentucky, USA, the station serves the Lexington Metro Area and all of Central Kentucky.  The station perhaps has the largest coverage area of all of the FM radio stations in the Lexington area, with a one hundred+ mile radius broadcast and service area.  It can be listened to in Louisville and beyond if traveling west on Interstate 64 and well past Morehead, Kentucky if traveling east.  It can also be picked up in Cincinnati, Ohio and Corbin, Kentucky.  The station is currently owned by Cumulus Media.

2GB: 2GB is a commercial radio station in Sydney, Australia broadcasting on 873 kHz, AM.  In 2010, 2GB held 14.7% of the total radio ratings share, making it the most widely listened-to radio station in Sydney.

Joel Labi: Joel Labi (Joel David Labi, born 20 November 1987) is an Australian journalist, with more than ten years experience with CNN and 2GB.  In a career which began in 2006, Labi has covered stories in the United States, Australia, Asia and the Middle East.  Joel was the Chief News Anchor for controversial radio personality Alan Jones (radio broadcaster), who hosts Australia’s highest rated radio program.  In May 2017, Labi joined Thomson Reuters as a News Anchor and Reporter, working on programs for ViuTV, CGTN, TRT World and other global affiliates.

WPUM: WPUM (93.3 FM) is a non-commercial educational radio station begun in 1977 in Rensselaer, Indiana, United States, owned by Saint Joseph's College.  The format is primarily contemporary hit radio and Oldies hosted by Saint Joseph's College students in hour air shifts.  The station also broadcasts the school's sports programs and can be listened to live on the Internet at WPUM's website.  The station is licensed by the Federal Communications Commission (FCC).  Its coverage area includes Rensselaer and Jasper County, Indiana.

Eagle Radio: Eagle Radio (formerly 96.4 The Eagle) is a local radio station in the Surrey and North East Hampshire area of England.  The station describes itself as "the station that loves Surrey and Hampshire" and is the highest listened to commercial radio station in the area .  Eagle Radio is part of the UKRD Group, for which it has been described as a "flagship" station.

Supporting paragraphs: Joel Labi 2GB
Answer: 2GB