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APRS

What is APRS?
APRS (Automated Position Reporting System) is a special variant of Packet Radio.

With APRS is is possible to display and track the geographical position of mobile or fixed ham radio stations superimposed on a map on a computer screen. Mobile stations need an on-board GPS receiver. The APRS system is operational on any kind of vehicle, e.g. also on board of a (RC-model) airplane.
What is required: An APRS capable 2m radio (e.g. a TM-D700 or TH-D7E) or a TNC with APRS software. For non-APRS capable radios a small optional PC board is available which processes and transmits the APRS data based on the inputs from a GPS receiver. On the receiving side a PC with the appropriate control software is required as well as a digital mapping software. The maps are available in larger scales as freeware and more detailed maps can be obtained though the National Geographical Services on CD-ROM. The APRS data is distributed in real-time via a dedicated digipeater network; in Germany this is done on 144.800 MHz in simplex mode or via Internet gateways world wide.

Set-up for a typical station:
  • Mobile station: GPS-Mouse, TM-D700, laptop incl. mapping software.
  • Portable station: GPS-Mouse, TH-D7E
  • Fixed station: TH-D7E, PC, mapping software, a GPS receiver is not required because of the fixed location.
  • Digipeater station: TNC21 with a handheld radio or equivalent, a GPS receiver is not required because of the fixed location.

TinyTrak 4


TinyTrak-4 SMT

Tiny Trak4はよく知られているTiny Trak3の後継機種です。TinyTrak3とおおむね同機能ですが、以下のような新しい機能があります。

  • DSPパケットデコーディング:DSPを用いることにより、Tiny Trak4では、1200ボーパケットだけでなく、9600、300ボーパケット、DTMF、なども処理できます。ハードウェア処理でないので、既存のTiny Trak4にも新しい復調機能を持たせることができます。
  • ファームアップグレード:新しいファームウェアをTiny Trak4のウェッブサイトから無料でダウンロードできます。コンピュータからシリアルポート、F-F nullモデムアダプタ経由。
  • アナログ&デジタルテレメトリ:tiny Trak4は気温、バッテリー電圧、その他のアナログ&デジタル情報を読み取ることができます。
  • 新しいプロセッサー:Tiny Trak4のプロセッサーはTiny Trak3のそれよりより高速大容量で新しい機能により対応可能です。

実装済み機能

  • アップグレード機能
  • Tiny Trak3の殆どの機能を受け継いでいます。
  • KISS TNC
  • UI TNC
  • APRSトラッカー
  • テレメトリ
  • スマートデジピーター
  • パケット表示

計画中の機能

  • 9600ボー、300ボーのデコード/エンコード
  • DTMFエンコード/デコード
  • ウェザーステーションサポート
  • PSK31サポート
  • リモートコントロール
  • Full TNC

TT-4は組み立て済み・ケース付き形態で提供します。ソフトウェアはTT-3と同機能です。

TinyTrak-4 with box
Order No.
TT4 109.30 € Buy now
送料について

TinyTrak-トランシーバー接続用ケーブル

シガレットライター用プラアグのついたトランシーバー接続用ケーブル。トランシーバー側は6ピンのmini-DINです。TinyTrak4やTinyTrak3+と接続する場合、ジャンパーのJP8番は接続しない方がよいかもしれません。

Order No.
TT4-CABLE TinyTrak接続用ケーブル 28.80 € Buy now
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TinyTrak 3

TinyTrak-3 Chip (PIC)

Order No.
TT3-CHIP 27.60 € Buy now
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TinyTrak-3Plus

Bild TT3+

GPS Beacon: In combination with a GPS receiver any handheld or mobile radio can broadcast the GPS information.
The beacon features a serial interface which allows PC-programming of the call sign, TX delay, beacon intervals and beacon text. During operation the GPS receiver is connects to the serial port and the audio as well as PTT terminals connect to the radio.
Imagine a moving fox hunt with such a relative simple set-up.
The analysis of the received data is not possible with TinyTrack.

TinyTrak3 is a GPS position encoder which, when connected to a GPS and a radio, will transmit its location at an adjustable rate. TinyTrak3 is a construction project providing an inexpensive way to build a mobile tracker without the need for a full TNC. It is configured by connecting to a computer's serial port, and running a simple configuration tool which allows setting of all user options.

TinyTrak3Plus is a redesigned TinyTrak3 with a larger voltage regulator that can power a 5V GPS, such as a Garmin GPS18. TinyTrak3Plus has the same features, and uses the same firmware chip, configuration software, and case as the TinyTrak3, but a separate documentation file is available with instructions for the different PCB. TinyTrak3Plus is sold with a case.

Order No.
TT3-PLUS 56.40 € Buy now
送料について
Download:Software for Configuration V.1.4.3 for TinyTrak-3 (ZIP, EN, 520KB)



SCS Tracker DSP TNC


Multimode-TNC for Packet Radio and APRS, USB connection to PC

One Packet Radio TNC for all modes like 300Bd AFSK, Robust Packet Radio (RPR) for shortwave, 1200Bd AFSK and 9600/19200 FSK (G3RUH). First TNC to use a DSP as modem processor, resulting in a much larger captive range of AF frequencies (e.g. ±400Hz at 300Bd AFSK, the usual modems only have a few hertz range). This allows reception of larger groups with slightly differing frequencies. Supports KISS and Hostmode. Includes position tracker for APRS: transmits position data in APRS format. A computer is not required, the GPS receiver is connected directly to the Tracker. Control output for transceiver for low power consumption.

The Tracker is connected to the PC with an optically isolated USB cable, thus alleviating all problems with ground loops. The device itself is shielded against HF radiation and does not produce noise. During APRS sleep mode only 15mA power consumption, shortly before the next transmission the Tracker wakes up, turns on the transceiver, checks the transmission channel and transmits the APRS data set when the frequency is not in use.
The firmware can be updated over the USB line, firmware updates are free. Size 88 x 22 x 102mm, power consumption 70mA at 13,8V.

Order No.
SCS-TRACKER 259.00 € Buy now
送料について

Byonics GPS マウス

Byonics GPSマウス

Tinytrak接続用の、小型のGPSマウスです。電源はTiny Trakから供給されます。それ故、一般的なRS-232Cとの接続は保証されません。設定は不要で、TinyTrakに接続するだけでQRVできます。

Order No.
TT-MOUSE Byonics GPS-Mouse 102.40 € Buy now
送料について
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