[aprssig] ISS digi

pfbram at comcast.net pfbram at comcast.net
Fri Aug 14 20:28:38 CDT 2015


Thanks for the info -- This evening I managed to work the ISS digipeater with the TH-D72A and Arrow II on the fishing dock behind the cottage. Gated by N0AGI-1 way back home. Sky wasn't quite dark, but the ISS became visible partway through the pass. 

73, KD0KZE / Paul 

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

From: "Stephen Black" <kb1chu at aol.com> 
To: pfbram at comcast.net, "TAPR APRS Mailing List" <aprssig at tapr.org> 
Sent: Thursday, August 13, 2015 11:30:28 PM 
Subject: Re: [aprssig] ISS digi 

I run a AIS receiver here and have recently received stations up to 447 KM from my location on the Ma. coast. The AIS receiver is set for around 162MHz. Tropo ducting is common around this area this time of year. Steve KB1CHU 

On 8/13/2015 11:07 PM, Paul Bramscher via aprssig wrote: 



I hope they turn it back on soon -- I'm well away from my usual QTH, but have packed the Kenwood TH-D72 and Arrow II antenna. I got an excellent visual pass this evening, but hope they turn the radio back on in the next 24 hours or so, or I'll miss my chance. 

>From the top of Cadillac Mountain, Mt. Desert Island, Maine, I worked some Canadian stations on APRS: 

2015-08-13 16:38:59 EDT: KD0KZE-7 >TTRQ1S, VA1COR* ,WIDE1,WIDE2-1,qAR, VE1GX-1 :``)Fl _[/>TH-D72 Mt Desert Island= 
2015-08-13 16:44:16 EDT: KD0KZE-7 >TTRQ1S, VE1VZ* ,WIDE1*,WIDE2-1,qAR, VE1WN :``)Gl e[/>TH-D72 Mt Desert Island= 

I'm a bit baffled -- did I actually work VE1VZ directly? According to aprs.fi, that's 147.9 miles. But when I look at line-of-sight formulas based around height and earth's curvature ( https://en.wikipedia.org/wiki/Line-of-sight_propagation ), I work out something like distance in miles = 1.41 x square root (of 1500 feet), or around 54 miles. How'd I work a station 147 miles away across the Bay of Fundy on 2m? 

73, KD0KZE / Paul 


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

From: "Nagi Punyamurthula via aprssig" <aprssig at tapr.org> 
To: "John" <k4ag at bellsouth.net> , "TAPR APRS Mailing List" <aprssig at tapr.org> 
Sent: Thursday, August 13, 2015 5:40:54 PM 
Subject: Re: [aprssig] ISS digi 

It has been inactive for the last 4 days, 14hr. no prior notice that I know of. Just the hams posted inactive reports on fans of iss web site 




-----Original Message----- 
From: aprssig [ mailto:aprssig-bounces at tapr.org ] On Behalf Of John via aprssig 
Sent: Thursday, August 13, 2015 9:38 AM 
To: TAPR APRS Mailing List <aprssig at tapr.org> 
Subject: [aprssig] ISS digi 

Hi, 

It appears that the digi on the ISS has been off the air for several days, did I miss an announcement about this? 
Anyone have any info on this? 

73, 
John 
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