Support determining band info from parsedXML frequency

Determining band from N1MM frequency to avoid band undefined error on
N1MM produced logs. It doesn't use the band file in XML because it's
faulty on UHF+ bands.

Author: goodspeed34

main.js

@@ -299,6 +299,18 @@ function writeADIF(adifObject) {
 	return adiWriter;
 }
 
+function freqToBand(freq_mz) {
+	const f = parseFloat(freq_mz);
+	if (isNaN(f)) return null;
+
+	const bandMap = require('tcadif/lib/enums/Band');
+	for (const [band, { lowerFreq, upperFreq }] of Object.entries(bandMap))
+		if (f >= parseFloat(lowerFreq) && f <= parseFloat(upperFreq))
+			return band;
+
+	return null;
+}
+
 function send2wavelog(o_cfg,adif, dryrun = false) {
 	let clpayload={};
 	clpayload.key=o_cfg.wavelog_key.trim();
@@ -413,6 +425,8 @@ ports.forEach(port => {
 						GRIDSQUARE: parsedXML.contactinfo.gridsquare[0],
 						STATION_CALLSIGN: parsedXML.contactinfo.mycall[0]
 					} ]};
+				let band = freqToBand(adobject.qsos[0].FREQ);
+				if (band) adobject.qsos[0].BAND = band;
 			} catch (e) {}
 		} else {
 			try {