Table of Contents
GB7AGM Clavering, Saffron Walden
Packet node with mail and chat serving the North West Essex area.
Frequency Details
| Center | Pol | Power | Dial Freq | Mode | NinoTNC mode | Status |
|---|---|---|---|---|---|---|
| 7.0516 MHz | H | 25W | 7.0510 MHz USB | BPSK IL2Pc 300bd | 1000 | In Service |
| 144.950 MHz | V | 25W | 144.950 MHz FM | AFSK IL2Pc 1200bd | 0111 | In Service |
| 432.675 MHz | V | 25W | 432.675 MHz FM | C4FSK IL2Pc 9600bd | 0011 | Testing |
Services
| Service | Call | Alias |
|---|---|---|
| Node | GB7AGM-1 | AGMNOD |
| Mailbox | GB7AGM | AGMBBS |
| Chat | GB7AGM-5 | AGMCHT |
Mail address: GB7AGM.#31.GBR.EURO
AXUDP Backbones
GB7BDH (Swindon)
GB7BEX (Bexhill)
Operational Details
SYSOP: Andy G3AGM
Email: [email protected] & G3AGM@GB7AGM.#31.GBR.EURO
Site: ~110m AGL
Node Equipment Details
Hardware
HF
- Kenwood TS-570D (40m)
- Inverted V Dipole at 6m AGL
- NinoTNC
- Raspberry Pi 1 — modem host and frame capture
VHF
- Yaesu FT-2600M (2m)
- Diamond X-200 at 10m AGL (2m)
- NinoTNC
- Raspberry Pi 2 Model B — modem host and frame capture
UHF
- Tait T2000ii (70cms)
- Diamond X-200 at 10m AGL (70cms)
- NinoTNC
- Raspberry Pi 2 Model B — modem host and frame capture
- Proxmox cluster — node and mailbox
Software
- XRouter (XrLin) — node and chat
- LinBPQ — mailbox
- Observability/Dashboard — personally developed real-time visualisation of GB7AGM packet infrastructure

