Table of Contents

GB7AGM Clavering, Saffron Walden

Packet node with mail and chat serving the North West Essex area.

GB7AGMPacket node with mailView on map
SysopG3AGM
LocatorJO01BX
NGRTL4631
Lat/Lon51.9583, 0.1234
Frequencies7.0516 MHz40M H144.95 MHz2M V

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

Coverage Map

2m plot