How to get gps1(lat,lng) values for group of locationId ?

Question

How to get gps1 for every locations as following :

locationArr=[40871, 60009, 38149, 40868, 43240, 15299, 53897, 40976, 38151, 23183, 38152, 78579, 23180, 40977, 23176, 39565, 40884, 15298, 38147, 40966, 39669]

every number represent locationId

I need to pass 21 LocationId   to get 21 GPS1 latitude and longtude .

I can get it one for one locationId 

getLocationData(id: number) {
console.log("server "+id)
return this.http.get('http://192.168.7.45:9200/location/_doc/'+id);
}

 

 

this.partDetailsService.getLocationData(this.LocationId).subscribe(res => {
         this.dataLocation = res['_source']['GPS1'];
         var loc = this.dataLocation.split(',');
         this.lat = loc[0].trim();
         this.lng = loc[1].trim();

 But cannot get locationId for 21 location id 

 

so that i need to put code above on for  to array of locationId 

 

How to make loop to get values of GPS1 latitude and longtude to every LocationId from array above

 

meaning i will get GPS1 21 Time .

 

every locationId have GPS1 

 

How to do that please 

 

 i need to replace array of locationId in place of

 

this.locationId