Field tools built by someone who works in the field.

I'm a telecom engineer with 25 years on RAN sites. Site Navigator, 4S Azimuth and Eire Weather are the apps I wanted on my own phone at the foot of a mast.

Get Site Navigator Open Eire Weather

127°Drag the dial to set a bearing

Two apps, built for the job

Site Navigator

Find a GSM site, get to it, and set the azimuth when you arrive. It runs on your phone, so it is with you on the road and at the mast.

Search for any station and open it in seconds
Plan one route across several sites in a day
4S Azimuth is built in as a module for setting sector direction

Go to site-navigator.com

€5 per month

One subscription. The 4S Azimuth module is included, with nothing extra to buy.

Eire Weather

Radar, wind and local forecasts for Ireland, presented by a sheep with opinions about the weather.

Go to eireweather.com

Free

Pay what you think it is worth. Donations are optional and go directly towards keeping it running.

How engineers use Site Navigator

Find a site fastThe most common use: look up a GSM station and see where it is, without digging through spreadsheets.
Plan a day of site visitsWhen one day means driving to several sites, build the whole route in one place.
Set an azimuth on the spotUse the 4S module to point a sector the right way using only your phone.
Point a radio linkGet the first rough direction for a microwave link before fine alignment.

These come from how people actually use the app. If you need something else in the field, tell me.

25 years of telecom work

I'm Arkadiusz Jankowski. I have spent 25 years as a telecom field engineer, working on sites in Ireland and across Europe.

Every feature in these apps comes from a problem I ran into on a real site. That is why they are fast, simple and made for use with gloves on.

Worked for: KTL, Delmec, Spectrum
Countries: Ireland, Poland, Sweden, Austria, United Kingdom
Based in: Ireland

Get in touch

Questions, feedback or a feature you need on site? Send a message and I will reply by email.