USER GUIDE

Nancy Guthrie — Catalina Foothills Resource Map

Getting Started

The map loads with the sidebar open on the left. Use the ☰ button to collapse or expand it. Everything runs in your browser — no account or login needed.

Basemap

Pick a basemap style at the top of the sidebar:

Streets — Default road map (OpenStreetMap)
Topographic — Terrain contour lines
Satellite — Aerial imagery (ESRI)
ESRI Topo — ESRI topographic with labels
Dark — Low-contrast dark theme

Data Layers

Toggle layers on/off with the checkboxes. Each layer shows a count badge once loaded. Click any marker on the map to see its popup with details.

● Traffic Cameras ADOT highway cams (AZ 511 API) + OpenStreetMap surveillance cameras

▮ Cell Towers Communication towers and masts from OpenStreetMap

● Mines & Shafts Historic mine sites, shafts, and adits

● Trailheads Hiking trail access points

▲ Titan II Silos 18 decommissioned ICBM silo sites around Tucson

● Water Features Ponds, tanks, springs, reservoirs, and water bodies

❙ Washes & Watersheds Major wash courses and watershed drainage boundaries

✈ Aircraft (ADS-B) Live airborne aircraft from OpenSky Network. Loads on first toggle. Covers ADS-B equipped planes, helicopters, and commercial drones.

Storm Drains Underground storm drain locations from the City of Tucson Dept. of Transportation. ~1,800+ points with install/inspection/repair dates. Loads on first toggle.

⛰ Terrain Hillshade Semi-transparent elevation shading overlay

⚠ WB I-10 Escape Corridor Westbound I-10 corridor analysis with surveillance gaps and exit points

📵 WiFi Jammer Zone Estimated disruption radius if a WiFi jammer were used at 5820 N Camino Escalante. Three concentric zones at 30 m, 100 m, and 300 m.

WiFi Jammer Disruption Zone

This analytical overlay shows the estimated area where consumer WiFi cameras (Ring, Nest, Arlo, Blink, etc.) could be knocked offline by a signal jammer centered on the property. WiFi cameras typically operate on 2.4 GHz and 5 GHz bands, which are vulnerable to broadband RF jammers.

Three zones are shown:

30 m — Handheld / low-power. Cheap consumer jammers ($30–$100). Would disrupt cameras on the immediate property and nearest adjacent homes.
100 m — Medium-power. Vehicle-mounted or briefcase-style unit. Covers roughly 1–2 surrounding properties in every direction.
300 m — High-power / directional antenna. Could blank an entire block. Would reach cameras on surrounding streets and cul-de-sacs.

Note: These are conservative estimates for a residential environment with walls, fences, and vegetation providing partial shielding. Line-of-sight and elevation differences affect actual range. Wired cameras (PoE/coax) and cameras with local SD card storage would not be affected by WiFi jamming. Using a jammer is a federal crime under 47 U.S.C. § 333.

Tools

Search

Type an address, intersection, or place name into the search box. Results appear below — click one to fly to that location and drop a marker.

Measure Distance

Click Measure Distance, then click points on the map to draw a path. The total distance shows at the top. Click the button again to stop.

Distance Rings

Drops concentric circles at 1, 2, 3, 5, 10, and 15 mile radii from the map center point. Useful for estimating drive-time ranges.

Drive-Time Isochrones

Shows how far you can drive from the center point in 10, 20, and 30 minutes. Uses the OSRM routing engine. Adjust the center marker to recalculate.

Route Generator

Enter start and end coordinates to calculate a driving route. The route displays on the map with distance, duration, and any cameras along the way highlighted.

Drop Note Marker / Export

Click Drop Note Marker to place a pin on the map with a custom note. Use Clear All Annotations to remove them. When you're done, click Export Notes as GeoJSON to download all your markers as a standard GeoJSON file. This file can be opened in QGIS, Google Earth, kepler.gl, or any GIS tool for further analysis or to share with others.

Crime Intel

The Crime Intel panel queries the Tucson PD Reported Crimes database (ArcGIS Feature Service) in real time. To use it:

Pick a division — East (default, covers Catalina Foothills), Midtown, South, West, or All.
Pick a time period — last 90 days, 6 months, last year, or all time.
Click Load Crime Data.

Results load in the sidebar with a summary count and two sections:

Priority Offenses — Violent and person-crimes are automatically flagged and shown first (kidnapping, homicide, assault, robbery, sexual offenses, weapons, stalking, threats, etc.).
Other Top Offenses — The top 20 remaining crime types by count (theft, burglary, fraud, etc.).

Source: Tucson Police Department reported crimes via the City of Tucson ArcGIS open data portal. Data may lag a few days behind real-time reports. Division boundaries are set by TPD — Catalina Foothills falls under the East Division.

Status Panel

The bottom of the sidebar shows a loading status for each data layer:

Green — Loaded successfully
Yellow (pulsing) — Loading
Red — Error (check console for details)

Quick Links

The sidebar includes direct links to external resources: Tucson PD crime dashboards, AZ 511 live camera feeds, police scanners, NamUs missing persons database, Pima County GIS/property records, court records, and more.

Tips

Zoom with scroll wheel or pinch gestures. The coordinate display (bottom-right) updates as you move your mouse.
Right-click or long-press a marker to copy its coordinates.
Layer data comes from OpenStreetMap (Overpass API), AZ 511, and OpenSky Network. Counts may vary depending on API availability.
The Aircraft layer only loads when you first check it (to save API credits). It shows a snapshot of current airborne traffic — refresh the page for updated positions.
The Escape Corridor layer is specialized analysis — toggle it on to see surveillance gaps along westbound I-10.

Data sources: OpenStreetMap / Overpass API, AZ 511 (ADOT cameras), OpenSky Network (aircraft), Tucson PD / City of Tucson ArcGIS (crime data, storm drains), OSRM (routing), ESRI (basemaps/hillshade), Nominatim (geocoding). All data is fetched live in your browser.

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