Add mylat, mylon, mycounty, and mypota docs.

notes/protocol.md

@@ -12,9 +12,43 @@
 * **qslmsg** QSL Messages valid for the entire log can be entered in the header section of the log. It is not mandatory.
 * **mywwff** The mywwff keyword is used to register your own WWFF reference number in WWFF Logging. See also chapter WWFF logging. The syntax is: AAFF-CCCC: AA = national prefix, CCCC = 4-digit numeric code (e.g. ONFF-0001).
 * **mysota** The mysota keyword is used to register your own SOTA reference number in SOTA Logging. The syntax is: AA/NN-CCC: Association/Name-3-digit numeric Code (e.g. G/CE-001). Your own SOTA reference number is mandatory for SOTA Logging.
+* **mypota** This registers your POTA reference for POTA logging. POTA is (March 2024) transitioning their references to use ISO country codes. The syntax is AA-##### where AA is an ISO country code and ##### is a 4 to 5 digit number.
 * **nickname** The nickname keyword can be used for eQSL ADIF uploads. See chapter Uploading logs to eQSL.cc.
 * **date** The date format is year-month-day (YYYY-MM-DD), e.g. 2016-12-31. Year, month and day may be abbreviated and you may use separators other than dash.
+* **mycounty** This is field will populate the <MY_CNTY> tag in your ADIF. It may contain spaces. (e.g. mycounty WY,Laramie County)
+* **mylat** This field takes your decimal degrees lattitude and populates the adif <MY_LAT> tag.
+* **mylon** This field takes your decimal degrees longitutde and populates the adif <MY_LON> tag.
 
 ## Validations
 
 * call
+* mypota - Any combination of values 0-9 or A-Z one to five times, a dash, and 0-9 four to five times. e.g. US-0609
+* mylat - ±90.0 degrees inclusive.
+* mylon - ±180.0 degrees inclusive.
+
+## POTA Example
+
+```
+# Header
+mycall AA0AAA/7
+operator AA0AAA
+qslmsg Please QSL via LotW
+nickname Bamforth National Wildlife Refuge
+mypota US-0609
+mygrid DN71ci
+mylat 41.3724
+mylon -105.752
+mycounty WY,Albany County
+
+# QSOs
+date 2024-03-20
+10m 28.028 cw
+1234 w1aw 599 599 @Bob <Wow! W1AW!>
+1235 n0aw 599 599 US-0001 <My first P2P!>
+1237 ab1wx 599 599
+1300 w0ny 319 339 <Tough copy>
+
+15m 21.043 ssb
+1311 n9fz 55 55
+1333 kj4ase 59 59
+```