RST 599 4+‎

This app is a real CW QSO simulator for Amateur Radio. "599BK type QSO", "Rubber stamp type QSO" and "Contest type QSO" are supported. In addition, the call sign, signal level, CW speed, etc. that occur differ for each QSO in order to achieve realism. Furthermore, the call sign and CW speed of your own station that issues CQ can be set arbitrarily.

【Characteristic】
1. "599BK","Rubber Stamp"and "AADX Contest" style support.
2.RIT functions support.
3.Realistic signal meter according to audio signal level.
4.Status display showing TX / RX operation.
5.Pile-up supported by 100QSOs/200QSOs (Try Press Class button)
6.The spectrum scope display

【Other features】
1. Function to select the number of QSOs to communicate (5, 20)
2.A function to select the presence or absence (ON / OFF) of QRN
3. Function to select the call area from JA, W/W
4.Easy mode support function (constant pitch / volume)
5.Supported the Rubber Stamp training mode.
6.Supported the ESC button for escaping from the long TX/RX.
7.Supported the Score Clear button of your Hi-Score Data.
8.Support the capture function of Hi-Score dialog.（Does not work on Easy mode.）

Supported keyboard input from Apple Silicon Mac. (Not compatible with iOS)
[Support Key]
A-Z, 0-9, /
Enter:return
ESC:esc
BS:delete
CQ:UpArrow
AGN:DownArrow
TU:[
LEFT:LeftArrow
RIGHT:RightArrow