CHAI-FM is a

French-language French ( or ) is a Romance language of the Indo-European family. It descended from the Vulgar Latin of the Roman Empire, as did all Romance languages. French evolved from Gallo-Romance, the Latin spoken in Gaul, and more specifically in Nor ...

Canadian Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of ...

radio station Radio broadcasting is transmission of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio ...

located in

Châteauguay Châteauguay ( , , ) is an off-island suburb of Montreal, in southwestern Quebec, located both on the Chateauguay River and Lac St-Louis, which is a section of the St. Lawrence River. The population of the city of Châteauguay at the 2021 Cens ...

Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...

, near

Montreal Montreal ( ; officially Montréal, ) is the List of the largest municipalities in Canada by population, second-most populous city in Canada and List of towns in Quebec, most populous city in the Provinces and territories of Canada, Canadian ...

. It broadcasts on 101.9

MHz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one he ...

with an

effective radiated power Effective radiated power (ERP), synonymous with equivalent radiated power, is an IEEE standardized definition of directional radio frequency (RF) power, such as that emitted by a radio transmitter. It is the total power in watts that would hav ...

of 100

watt The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named after James Wa ...

s ( class A1) using an

omnidirectional antenna In radio communication, an omnidirectional antenna is a class of antenna which radiates equal radio power in all directions perpendicular to an axis (azimuthal directions), with power varying with angle to the axis (elevation angle), declining t ...

. The station also operates a co-channel repeater, CHAI-FM-1 in

Candiac Candiac is an off-island suburb of Montreal, in the Canadian province of Quebec; it is located on the south shore of the Saint Lawrence River opposite Montreal near La Prairie. The population as of the Canada 2016 Census was 21,047. History ...

, also on 101.9 FM. The use of two transmitters is in order to protect several co-channel and adjacent-channel stations in nearby areas, the closest being CIBL-FM and

CINQ-FM CINQ-FM is a multilingual Canadian radio station located in Montreal, Quebec. It broadcasts on 102.3 MHz using a directional antenna with an average effective radiated power of 1,285 watts and a peak effective radiated power of 2,335 watts ( cla ...

, plus co-channel

CJSS-FM CJSS-FM (101.9 Hertz, MHz) is a commercial radio, commercial radio station in Cornwall, Ontario, Cornwall, Ontario. The station broadcasts a classic hits format branded as ''Boom FM, Boom 101.9''. CJSS is owned by Corus Entertainment, which acquir ...

Cornwall, Ontario Cornwall is a city in Eastern Ontario, Canada, situated where the provinces of Central Canada, Ontario and Quebec and the state of New York (state), New York converge. It is the seat of the United Counties of Stormont, Dundas and Glengarry, Unit ...

.Fagstein: "Châteauguay’s CHAI-FM seeks to replace two transmitters with one", December 3, 2015.
/ref> (CBMG-FM in

Cowansville Cowansville is a town in south-central Quebec, Canada, located on Lac Davignon north of the U.S. border. It is the seat of Brome-Missisquoi, a regional county municipality. The population as of the Canada 2021 Census was 15,234. In recent years ...

, a local repeater of

CBME-FM CBME-FM is an English-language Canadian radio station located in Montreal, Quebec. Owned and operated by the government-owned Canadian Broadcasting Corporation, it broadcasts on 88.5 MHz using a directional antenna with an average effective radia ...

that also broadcasts at 101.9, did not sign on until 2002.) The station operates under a

community radio Community radio is a radio service offering a third model of radio broadcasting in addition to commercial and public broadcasting. Community stations serve geographic communities and communities of interest. They broadcast content that is popular ...

licence and has a variety

format Format may refer to: Printing and visual media * Text formatting, the typesetting of text elements * Paper formats, or paper size standards * Newspaper format, the size of the paper page Computing * File format, particular way that informatio ...

. It opened in 1980.Broadcasting Decision CRTC 2006-466
/ref> In December 2015, CHAI-FM announced plans to replace its two-transmitter system with a single transmitter, from a location southeast of CHAI-FM's main Châteauguay transmitter. The new transmitter would broadcast at 238 watts, with a directional antenna set on an east–west pattern, also to protect nearby stations as discussed above; this was due to synchronization and interference problems between the Châteauguay and Candiac transmitters, which is evident where the two transmitters overlap in an area between Lachine and

Delson Delson is an off-island suburb ( South shore) of Montreal, Quebec, Canada. It is situated 8 mi/13 km SSE of Montreal within the regional county municipality of Roussillon in the administrative region of Montérégie. The population as ...

. The station is a member of the

Association des radiodiffuseurs communautaires du Québec The Alliance des radios communautaires du Québec (ARCQ) is a Canadian organization, which serves as a coordinating body for community radio stations in Quebec.Frédéric Lesemann, Jean-Marie Gourvil and Pierre Hamel, "Les radios communautaires au Q ...

References

External links

Official website
* * Hai Hai Hai Châteauguay Radio stations established in 1980 1980 establishments in Quebec {{Quebec-radio-station-stub