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App Store Apps > Education > RST 599TK
RST 599TK icon

RST 599TK

by koji kamogawa · Education · Free
On the App Store since May 2020 · Data updated 2026-10-28

RST 599TK is made and published by koji kamogawa. AppBrain is an independent app data site and isn't affiliated with koji kamogawa. The app name, icon, screenshots and description belong to koji kamogawa and are shown as published on the App Store.

AppBrain's verdict

Established
Rating on App Store
4.11
9 ratings
Last updated
August 13, 2026

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

Rankings

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App Store Rankings for RST 599TK

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Releases

Updates seen on the App Store
Version
2.8.0
Launched
May 2020

No changelog data

User feedback

Ratings and reviews on the App Store

Comments on RST 599TK for iOS

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Technology

Found in the app by AppBrain
Price
Free
App size
35.8 MB
Content rating
Everyone

Technologies used by RST 599TK

About the app and developer

About RST 599TK

RST 599TK is an education app developed by koji kamogawa.

What is the rating of RST 599TK?

RST 599TK is rated 4.11 out of 5 stars, based on 9 ratings.

Is RST 599TK free?

RST 599TK is free. The app size is 35.81 MB. The latest version available is 2.8.0. The last update was on August 13, 2026.

What are the requirements for RST 599TK?

The app has a content rating of Everyone. The app has been available on the App Store since May 2020.

Developer information for koji kamogawa

koji kamogawa

Address:

Frequently asked questions about RST 599TK

Is RST 599TK free?

Yes. RST 599TK is free on the App Store.

Is RST 599TK still available?

Yes. RST 599TK is on the App Store, and the last update we saw was on August 13, 2026.

How large is RST 599TK?

RST 599TK is 35.81 MB.

Is RST 599TK suitable for children?

App Store rates the content of RST 599TK as suitable for everyone.

How do people rate RST 599TK?

RST 599TK scores 4.11 out of 5 stars, from 9 ratings on the App Store.

Who made RST 599TK?

RST 599TK was developed by koji kamogawa. It is listed in the education category on the App Store.

What are the best alternatives to RST 599TK?

People looking at RST 599TK also look at these education apps: Morse Words, QRQ CW, Learn Morse Code - CW Trainer, Ham Morse, MorseKey.

Share RST 599TK

Store listing

By koji kamogawa, from the App Store
RST 599TK Screenshot 1 of 7
RST 599TK Screenshot 2 of 7
RST 599TK Screenshot 3 of 7
RST 599TK Screenshot 4 of 7
RST 599TK Screenshot 5 of 7
RST 599TK Screenshot 6 of 7
RST 599TK Screenshot 7 of 7
Screenshots by koji kamogawa, from the the App Store listing
Description by koji kamogawa Written by the developer, not by AppBrain. Click to read.
This app is a real CW QSO simulator for Amateur Radio. 
"599BK & AADX Contest type QSO" is supported. 
Input of Morse Codes are by using Electric Touch Keyer. 
Changing of TX/RX is by SEND button.
Supported Min-in CW Decoder too.

【Characteristic】
1. "599BK" and "Contest" style support.
2.Support the CW Speed Control, Reverse of Dot/Dash pad.
3.Status display showing TX / RX operation.
4.Support the space insertion operation both automatic and manual.
5.Support the Min-in CW Decoder function.
6.Support the shortcut-key of CQ and TU.
CQ Button function can be set by setting menu.
7.Support the repeat-call function.
It works only when the TU button is pressed at the end of the QSO.
8.Support input function by key button

【How to use】
1.The case of CQ Calling
Press SEND button
Input "CQ CQ DX DE (YOUR CALLSIGN) PSE K" by Touch Keyer.
Press SEND button again

2.The case of CQ Answering
Press SEND button
Input "QRZ DX" by Touch Keyer or Straight Key.
Press SEND button again

--- Examples of QSO ---
[CQ Calling]
"CQ CQ DX DE xxnxx xxnxx PSE K"
>>> xxnxx DE **n** K
"**n** DE xxnxx UR RST 559 BK"
>>> R MY RPT 559 UR RST 599 BK
"QSL TU"
>>> R 73 TU
"E E"
>>> E E

[CQ Ansewing]
"QRZ DX"
>>> "CQ CQ DE **n** **n** PSE K"
"**n** DE xxnxx K"
>>> "xxnxx DE **n** UR RST 579 BK"
"R **n** DE xxnxx UR RST 599 TU"
>>> "R TU"
"E E"
>>> E E

--- DETEC WORDS ---
[CQ Calling]
CQ
CQ DX
CQ NA
CQ JA

[CQ Ansewing]
QRZ
QRZ DX
QRZ NA
QRZ JA

[BOTH]
DE
K
BK
UR RST
73
TU
E E
etc...

【Example usage video】
- Touch Keyer -
https://www.youtube.com/watch?v=CuSEaJtD3KQ
- Microphone IN Mode -
https://www.youtube.com/watch?v=goN9hVDEGnM
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