DWCH

{{Use Philippine English|date=January 2023}}

{{Use mdy dates|date=January 2023}}

{{Infobox radio station

| name = Air1 Radio

| city = Batangas City

| area = Batangas and surrounding areas

| branding = 91.9 Air1 Radio

| frequency = {{Frequency|91.9|MHz}} (HD Radio)

| airdate = {{Start date|2011|6}}

| format = Contemporary MOR, OPM

| language = Filipino

| licensing_authority = NTC

| power = 5 kW

| erp =

| class =

| callsign_meaning = CHannel

| former_callsigns =

| former_frequencies =

| owner = Iddes Broadcast Group

| operator = Air1 Global Advertising Corporation

| webcast =

| website =

}}

91.9 Air1 Radio (DWCH 91.9 MHz) is an FM station owned by Iddes Broadcast Group and operated by Air1 Global Advertising Corporation. Its studios are located at the 4th floor, Lucy Bldg., Brgy. Alangilan, Batangas City, and its transmitter is located at Mt. Banoy, Brgy. Talumpok East, Batangas City.{{Cite web | url = http://storage.googleapis.com/request-attachments/AV4y9qh3QvqYRdiDILKyN9nVIEnGnFovM9uuKB8iRaRW7PRrO633PGaXjSEULkqvEmjorBtVejJ00OBQf6uq5cH0nMZNFTt12UrY/FM%20STATIONS_2019.pdf | title = 2019 NTC FM Stations | website = foi.gov.ph | access-date = December 16, 2019}}{{Cite web | url = http://www.batangas.gov.ph/portal/communication-services/ | title = Communication Services | website = batangas.gov.ph | access-date = December 16, 2019}}{{Cite web | url = https://puntomindoro.wordpress.com/2017/10/02/yun-oh-balbas-sa-bambi-fm-104-1-mamburao/ | title = Balbas sa Bambi FM 104.1 Mamburao | website = puntomindoro.wordpress.com | date = October 2, 2017 | access-date = December 30, 2019}} The frequency is formerly owned by Radio Mindanao Network.{{Citation | url = https://psa.gov.ph/sites/default/files/2011PY_Communications.pdf |title = TABLE 20.7a | journal = 2011 Philippine Yearbook | pages = 18–45 | publisher = Philippine Statistics Authority | access-date = December 16, 2019}}