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Author Topic: LoTW / QSL Received  (Read 670342 times)
KB2FCV
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« Reply #2025 on: January 01, 2019, 05:13:37 AM »

HV0A - 80m LoTW
YO3APJ - 160m LoTW
HP3/NL8F - 160m LoTW

All new bands for those entities..
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NI0C
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« Reply #2026 on: January 02, 2019, 01:53:13 PM »

5A2A from Dec 1997, now uploaded to LoTW .
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WB9LUR
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« Reply #2027 on: January 03, 2019, 11:04:44 AM »

Just realized that a QSO from 2013 was recently (well, a couple of weeks ago) confirmed on LOTW - 7X3WPL. This was a nice surprise as the paper card from this QSO had a mistake with my call. They scratched through the mistake and corrected it - but pretty sure the card checker would reject that one. Ha!

I do hope more DX types signup for LOTW as I still need just a few QSL's for 5BDXCC!


Randy / WB9LUR
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73, Randy / WB9LUR - http://www.CallingDX.com

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WO7R
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« Reply #2028 on: January 05, 2019, 12:37:13 PM »

Randy, you'll be fine.  Just keep working stations.

For me, the raw LOTW match rate is about 60 per cent of my QSOs.  But, assuming LOTW membership is (uniformly) random compared to whom you work, then the math runs like this:

1 station  60 % you will get at least one to LOTW
2 stations 84 % you will get at least one to LOTW  (that is, work a second station on the same band and country)
3 stations 94 % you will get at least one to LOTW  (work a third)
4 stations 97 % you will get at least one to LOTW  (work a fourth)

While this is an assumption on my part, it also squares well with my actual over the air experiences.  My recent LOTW rate for DXCC Challenge is in the 80 per cent range and I am well above 5BDXCC.  Clearly, I am duping a lot of my DXCC Challenge counters.

If you work digital modes, by all accounts, the odds are thought to be slightly higher than my 60 per cent.  But, at any rate, these are very good odds.  A lot of people besides me report a "raw" match rate in this range.  Moreover, many that don't are looking at a much longer history.  But the recent years are more representative of what we all get today.  

You don't have to dupe very many stations on the same band and mode before you get there.  And, you need little or nothing rare, so it is quite reasonable to presume that you don't even have to bother with cards if all you want is 5BDXCC.

Or, put it another way, don't QSL by paper if the only reason is 5BDXCC.

Moreover, for really common countries (e.g. Ukraine, Austria, Bonaire) that make up the bulk of a 5BDXCC, it is not uncommon to be able to work two in the same session since the propagation is there.
« Last Edit: January 05, 2019, 12:39:50 PM by WO7R » Logged
W1VT
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« Reply #2029 on: January 05, 2019, 01:28:29 PM »

Paper QSLing may be worthwhile if you need 75M SSB or 80M CW QSLs to finish your 5BDXCC.  Unlike digital ops, some old timers don't do LoTW and are unlikely to change.
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WO7R
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« Reply #2030 on: January 05, 2019, 01:42:37 PM »

I ran a quick simulation and it may be that I was a little too optimistic.

I ran a quick simulation (which may be a bit buggy for all I know) that suggests you might need to work 175 total stations (that is, more than 100 DXCC "worked" and certainly several DXCC that you work twice and don't confirm before you work a "new one") in order to be sure of getting to all LOTW DXCC.

My own data suggests it isn't that dire, but somewhere between 120 total countries an 175 may well be the truth. And since common countries dominate, it isn't really as hard as it sounds to work 175 because a lot of that extra bulk will be Germany and Sweden and places of that ilk that you can get nearly every day.

In any case, an all LOTW 5BDXCC is quite doable.  You just have to work more stations.  But, that may actually be easier than the more obnoxious QSLs.  And maybe faster too!
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WO7R
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« Reply #2031 on: January 05, 2019, 02:11:12 PM »

Quote
Unlike digital ops, some old timers don't do LoTW and are unlikely to change.

Sure, but that's all reflected in the numbers.  For every old timer that is still on paper or just won't upload, there's some other number of heavy contest ops that are glad to upload to LOTW in order to reduce incoming QSLs.  Some of those are old timers, too, some not.

And, if you work contests (what 5BDXCC hound does not?) you are going to probably, on balance, get a better fraction of LOTW than my raw rates suggest.  Contesters, based on my experiences with things like Triple Play and others, really do like LOTW.  A lot.  But, in any case, one can just keep going and work more dupes or new countries until the LOTW numbers get to 100.

In any case, a quick spot check of all LOTW activity since 2013 shows that, despite everything, my actual LOTW confirmations from FT8 and CW from all sources are about equal right now.  I'm sure FT8 will shoot right past it, but the idea that there's this huge reservoir of CW ops that don't participate is a little. . .challenged.  There are most certainly some.  But plenty that use LOTW, too.

To be sure, it may be that one just can't wait and one may "break down" and QSL a few.  But the numbers show that just isn't going to be necessary if one just keeps working stations until you get "enough" because you don't have to work very many rare ones for 5BDXCC.  None, in fact, if you keep going.
« Last Edit: January 05, 2019, 02:18:04 PM by WO7R » Logged
ZL1BBW
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« Reply #2032 on: January 06, 2019, 01:50:43 PM »

8P9AE in the mailbox this morning for a new one on 80 and 40.
Gavin ZL1BBW
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ex MN Radio Officer, Portishead Radio GKA, BT Radio Amateur Morse Tester.  Licensed as G3YCP ZL1DAB, now taken over my father (sk) call as ZL1BBW.
WO7R
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« Reply #2033 on: January 07, 2019, 11:47:30 AM »

E44WE  nice card via OQRS.  About a two month turnaround.
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KM4SII
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« Reply #2034 on: January 08, 2019, 01:38:07 PM »

KH1/KH7Z via LOTW  Smiley
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N5VYS
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« Reply #2035 on: January 11, 2019, 12:05:39 PM »

S58N 2019-01-11 80M via LoTW, thanks for the fast upload!

Obie N6VYS
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WB9LUR
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« Reply #2036 on: January 20, 2019, 04:51:59 PM »

9G2HO confirmed in LOTW just minutes after our QSO and 4S7AB paper card rcvd via postal mail yesterday...

randy / WB9LUR
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73, Randy / WB9LUR - http://www.CallingDX.com

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AB8MA
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« Reply #2037 on: January 21, 2019, 06:28:05 AM »

XT2SZZ on LoTW.
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KB2FCV
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« Reply #2038 on: January 21, 2019, 07:49:25 AM »

Via LoTW on 160m:
D41CV
HC2AO
CT1EEB
Thanks for the quick uploads! Cool
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N5CM
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« Reply #2039 on: January 21, 2019, 07:54:50 PM »

XT2SZZ 15m, 20m, 40m all CW via LoTW
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