For about a few weeks I've been listening to a few Boston radio stations and been getting stations from maine over lapping the signal. Why dose this happen?
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- Thread starter Mattcatlover456
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The tech wizards here can tell you the proper term but it's something like FM tropo ducting. Under certain conditions you'll get distant signals, including overlap etc. The DX board will mention it.
In the past I've gotten:
TV--years ago:
A Ch 2 from Indianapolis, Ch 2 from Orlando FL, and some UHF stations from Long Island or VT while in Nahant
Radio:
--WQEW 96.3 (at the time) while in Essex MA
--WWDB 96.5 Phila PA while in Lynn
--WPCC 91.7 Pensacola Christian College --when WMWM was off air, in Salem
--NPR stations from Carbondale IL, North Carolina, etc.
--Stations from Portland, Lewiston, or Bangor ME; New Haven, CT; WHUS 91.7 Storrs CT while in Woburn...
A friend once reported picking up WBCS 96.9 "Boston's Country Station" while in Wisconsin.
http://en.wikipedia.org/wiki/Tropospheric_propagation
>>
Ducting can occur on a very large scale when a large mass of cold air is overrun by warm air. This is termed a temperature inversion, and the boundary between the two air masses may extend for 1,000 miles or more along a stationary weather front.
Temperature inversions occur most frequently along coastal areas bordering large bodies of water.
In the past I've gotten:
TV--years ago:
A Ch 2 from Indianapolis, Ch 2 from Orlando FL, and some UHF stations from Long Island or VT while in Nahant
Radio:
--WQEW 96.3 (at the time) while in Essex MA
--WWDB 96.5 Phila PA while in Lynn
--WPCC 91.7 Pensacola Christian College --when WMWM was off air, in Salem
--NPR stations from Carbondale IL, North Carolina, etc.
--Stations from Portland, Lewiston, or Bangor ME; New Haven, CT; WHUS 91.7 Storrs CT while in Woburn...
A friend once reported picking up WBCS 96.9 "Boston's Country Station" while in Wisconsin.
http://en.wikipedia.org/wiki/Tropospheric_propagation
>>
Ducting can occur on a very large scale when a large mass of cold air is overrun by warm air. This is termed a temperature inversion, and the boundary between the two air masses may extend for 1,000 miles or more along a stationary weather front.
Temperature inversions occur most frequently along coastal areas bordering large bodies of water.
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Yeah yeah yeah, I was going say something last week. I get a lot here in Medford. I was going to ask is that normal? Because isn't Portland, Me two hours away from here?
This past Saturday afternoon, I was in Rockport, Mass, and when I tuned to WBUR to hear "All Things Considered/Weekend" I got almost nothing but hash and "picket-fencing" on 90.9. It might have been WMPG in Gorham, Maine, I'm not sure. I just switched to WMEA-FM 90.1 until I got to Peabody (in sight of WEEI-FM tower). I believe that WMPG made changes to their facilities. I can't check the FCC to be sure.
Yup, in this case, it is a combination of the “HIGH” in the area and the storm(s) off the East Coast pumping in moisture off of the water.
A common situation around here is when there is a widespread fog bank offshore and/or a “HIGH” in the area.
So if there is a “HIGH” over eastern ME, ME and maybe NS-NB may come in; if it is over the southern New England-SE’rn NY-NJ area, then Springfield/CT-NYC-Philly-DelMarVA may be in the offing!
And when a hurricane is coming up the coast, MONSTER tropo can occur ahead of it!
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