[aprssig] unusual Terrestrial APRS propagation

pfbram at comcast.net pfbram at comcast.net
Mon Aug 31 16:34:34 CDT 2015


I heard alot of APRS stations from Kansas and elsewhere from my QTH also (same metro area as Nagi, but different corner of it). 

I suspect it was just IS->RF traffic. Elated at first, but then I conducted a test -- I shut down my igate and twiddled the tunner across 2m, generally speaking.. Also set it up to scan. Didn't hear any distant 2m VHF FM voice conversations. If it was a 2m propagation anomaly, I would have expected distant phone conversations. 

73, KD0KZE / Paul 

----- Original Message -----

From: "Ev Tupis via aprssig" <aprssig at tapr.org> 
To: "Nagi Punyamurthula" <n0agi at n0agi.com>, "TAPR APRS Mailing List" <aprssig at tapr.org>, "TAPR APRS Mailing List" <aprssig at tapr.org> 
Sent: Monday, August 31, 2015 2:49:43 PM 
Subject: Re: [aprssig] unusual Terrestrial APRS propagation 

Tropospheric inversion layer. Big time. 

There are 1000km QSO's taking place on 144, 222 and 432 MHz since yesterday. 

Ev, W2Ev 




From: Nagi Punyamurthula via aprssig <aprssig at tapr.org> 
To: TAPR APRS Mailing List <aprssig at tapr.org> 
Sent: Monday, August 31, 2015 7:39 AM 
Subject: [aprssig] unusual Terrestrial APRS propagation 

I have been monitoring the VHF APRS propagation map the last few days and have been noticing an unusually long range propagation. Very rarely does my APRS sysop station hear others beyond the MN, IA, SD, ND, KS, WI, IL states – even w/ some previously experienced solar flares/storms. Anyone has any hints on what might be causing this out of norm propagation. 

I was monitoring http://SolarHam.com/ for some info and found this from 2 days ago. 

Thanks 
73, N0AGI-Nagi 

http://N0AGI.com/ 

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