Karl Jansky Radio Astronomy Site
Karl Jansky Radio Astronomy Site is a historic site in New Jersey, at a modelled elevation of 36 m. Todt Hill stands 125 m to the north, 16 miles off. The nearest named place is Karl Jansky Monument, a artwork less than a tenth of a mile away. Upper Freehold Historic Farmland Byway passes 20 miles off. 30 named summits stand within 25 miles.
What the record says
- Material
- soil
- Inscription
- On this site in 1932, Bell Labs scientist Karl Jansky first discovered radio waves coming from outer space, thus beginning the science of radio astronomy.
How to reach it
- 20.3 mi off the Upper Freehold Historic Farmland Byway
- 22.6 mi off the Millstone Valley Scenic Byway, National
Named places within 25 miles
- Karl Jansky Monument: 0.0 mi
- Eagles: 2.6 mi
- Evil Clown of Middletown: 3.9 mi
- Middletown North Lion: 4.2 mi
- Raritan Rocket: 4.3 mi
- The Jansky Monument: 0.0 mi
- Radio Astronomy: 0.0 mi
- North American Phalanx: 3.7 mi
- Judith Stanley Coleman Memorial: 4.4 mi
- Historic Public School Bell: 4.7 mi
- Regency Park: 0.3 mi
- Holmdel County Park: 1.4 mi
- West Front Street Park: 1.7 mi
- Telegraph Hill Park: 1.7 mi
- Cross Farm Park: 1.8 mi
- Holmes Hendrickson House: 1.1 mi
- Longstreet Farm Vistior Center & Farm Entrance: 1.1 mi
- Vietnam Era Museum and Education Center: 1.8 mi
- Monmouth Museum: 3.1 mi
- Monmouth Museum: 3.1 mi
- David Shaw Arboretum: 1.1 mi
- Display Garden: 2.5 mi
- Composting Demo: 2.5 mi
- Bonsai Display: 2.5 mi
- Japanese Themed Garden: 2.5 mi
- Vietnam Veterans Memorial: 1.8 mi
- Holmdel Horn Antenna: 2.1 mi
- Seabright Beach: 10.1 mi
- The South Pole: 10.2 mi
- Nike Missile: 10.4 mi
- Tatum Park: 1.8 mi
- Bellhaven Nature Area: 4.5 mi
- Huber Woods County Park: 6.9 mi
- Mannino Park: 9.8 mi
- Mount Loretto Unique Area: 10.2 mi
- Ideal Beach: 6.1 mi
- Belvedero Beach: 6.5 mi
- Cliffwood Beach: 6.7 mi
- Seidler's Beach: 7.0 mi
- Seidler Beach: 7.3 mi
- Telegraph Hill: 2.1 mi
- Crawford Hill: 2.2 mi
- Beacon Hill: 3.3 mi
- Sugar Loaf Hill: 3.4 mi
- Stone Hill: 4.1 mi
- Telegraph Hill Picnic Area: 1.5 mi
- Holy Trinity Picnic Site: 11.9 mi
- Thompson Grove Park: 12.4 mi
- Grove 4: 16.0 mi
- Grove 3B: 16.1 mi
- North Tower: 9.6 mi
- Twin Lights State Historic Site: 9.6 mi
- Power House: 9.6 mi
- South Tower: 9.6 mi
- Lighthouse Keeper's Quarters: 10.8 mi
- Fallkill Falls: 22.8 mi
- Binnen Falls: 23.0 mi
- Ambergill Falls: 23.1 mi
- Seele: 24.4 mi
- Barber: 12.5 mi
- Raritan Landing: 18.7 mi
- Feltville Historic District: 24.8 mi
- Grover Cleveland Service Area: 14.3 mi
- Thomas Edison Service Area: 14.4 mi
- Molly Pitcher Service Area: 17.4 mi
Summits around it
The highest named summits within 25 miles of Karl Jansky Radio Astronomy Site. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Todt Hill | N 9° | 125 m | 16.5 mi |
| Crawford Hill | NNW 328° | 120 m | 2.2 mi |
| Pine Hill | SW 236° | 110 m | 16.0 mi |
| Telegraph Hill | NNW 347° | 106 m | 2.1 mi |
| Tenmile Run Mountain | W 281° | 92 m | 23.3 mi |
| Beacon Hill | WNW 283° | 82 m | 3.3 mi |
| Throck Morton Hill | S 186° | 81 m | 7.9 mi |
| Disbrows Hill | WSW 242° | 79 m | 17.5 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:01 | 18:33 | 19:09 |
| June solstice | 05:28 | 19:50 | 20:31 |
| September equinox | 06:45 | 18:20 | 18:56 |
| December solstice | 07:17 | 15:51 | 16:34 |
Local time (America/New_York).
Climate normals
Months averaging 50–80 °F: Apr–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 32 | 35 | 41 | 52 | 61 | 71 | 76 | 74 | 67 | 56 | 46 | 37 |
| Precip in | 3.9 | 3.1 | 4.2 | 3.8 | 3.8 | 4.4 | 4.7 | 4.1 | 4.2 | 4.1 | 3.5 | 4.7 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Freehold-marlboro, 6 mi away.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapOpenStreetMap element way/1304564940
Day trips start here
- Keansburg · 6 mi
- Old Bridge · 8 mi
- Freehold · 9 mi
- Englishtown · 11 mi
- Perth Amboy · 11 mi
- East Brunswick · 14 mi
Take the scenic way to Karl Jansky Radio Astronomy Site.
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