====== AX.25 Packet Node GB7CAM ======

GB7CAM is a 2m AX.25 packet radio node serving the Cambridge area run by Ian Henry [[https://g0lft.org|(G0LFT)]]. The station provides node, mailbox and chat services using LINBPQ and is connected to the wider packet radio network via RF and IP links.

More detailed information can be found at [[https://gb7cam.org.uk]]

===== Station Overview =====

==== RF configuration Notes ====

  * **Frequency:** 144.950 MHz  
  * **Mode:** AX.25 Packet  
  * **Antenna:** 5m AGL
  * **Power:** ERP 7 dBW (5W)  
  * **Location:** Harston Cambridge (Grid Squre: JO02AD)

==== Hardware ====


  * **Tait 2000 Mk2** a modified commercial radio bought from Simon (G4WQG)
  * **NinoTNC** an amazing little TNC bought from Chris (G1FEF)
  * **Diamond X50:** vertical 2m/70cm antenna
  * **Raspbery Pi 4:** picked up from the [[https://www.cdarc.org.uk/|CDARC]] Bring and Buy for £20


==== Software ====

  * **LinBPQ:** The core software running Node, BBS, Mail Forwarding and Chat Services
  * **FastAPI:** Provides access to node information for the GB7CAM [[https://gb7cam.org.uk/status.html|status page]]
  * **nginx:** Reverse proxy for [[https://node.gb7cam.org.uk]] and the API
  * **Quarto:** Used to create [[https://gb7cam.org.uk]]

==== Network ====

  * **ARDC 44Net:** The ARDC/44Net makes publicly reachable networking available for experimentation and learning. Amateur radio operators and groups use it to run systems that are directly accessible from the Internet using stable public IP addresses.
  * **Wireguard Tunnel:** Setup through  [[https://connect.44net.cloud/|44Net Connect]]
  * **Public Routed Subnet:** Assigned by 44Net Connect
  * **AXUDP links to other packet nodes:** visit [[https://gb7cam.org.uk/contact.html]] and drop me a message with your MAP line if you run a node and want to peer