LF: Re: Dual Mode WSPR Beacon running

To:	[email protected], [email protected]
Subject:	LF: Re: Dual Mode WSPR Beacon running
From:	Andy Talbot <[email protected]>
Date:	Tue, 20 Oct 2015 09:52:29 +0100
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The dual mode WSPR Beacon is now off.

Checking the overnight hits, I'm rather pleased with SM2DJK at 1908km on the slow 15 minute mode

05:30 G8IMR 0.137608 -13 0 IO90iv 0.2 G3XDV IO91vt 127 36 22:30 G8IMR 0.137607 -38 0 IO90iv 0.2 EI8JK IO51dn 590 280 18:46 G8IMR 0.137607 -33 0 IO90iv 0.2 DF1VB JO31sk 618 81 18:46 G8IMR 0.137607 -30 0 IO90iv 0.2 DK7FC JN49ik 730 99 18:46 G8IMR 0.137608 -22 0 IO90iv 0.2 G3WCB IO80di 181 251 18:46 G8IMR 0.137607 -19 0 IO90iv 0.2 DF2JP JO31hh 554 82 18:46 G8IMR 0.137606 -23 0 IO90iv 0.2 PA7EY/15 JO22jj 451 66 18:46 G8IMR 0.137609 -29 1 IO90iv 0.2 GW4NOS IO81gp 172 300 18:46 G8IMR 0.137607 -34 0 IO90iv 0.2 SM2DJK KP03au 1908 33

As expected, the 2 minute signals yielded lower distance reports

06:40 G4JNT 0.137474 -9 0 IO90iv 0.2 G3XKR IO70ux 210 274 04:50 G4JNT 0.137474 -23 -1 IO90iv 0.2 PA3ABK JO21it 429 74 04:50 G4JNT 0.137474 -22 0 IO90iv 0.2 F4HBT JN08qx 286 137 04:50 G4JNT 0.137476 -23 0 IO90iv 0.2 G3WCB IO80di 181 251 02:12 G4JNT 0.137474 -21 0 IO90iv 0.2 DF2JP JO31hh 554 82 00:16 G4JNT 0.137477 -29 0 IO90iv 0.2 G4MSN IO93fu 329 357 23:14 G4JNT 0.137476 -7 0 IO90iv 0.2 G3XDV IO91vt 127 36 21:32 G4JNT 0.137474 -29 0 IO90iv 0.2 DK7FC JN49ik 730 99 19:32 G4JNT 0.137473 -23 0 IO90iv 0.2 PA7EY JO22jj 451 66 19:32 G4JNT 0.137474 -26 0 IO90iv 0.2 PI4THT JO32kf 583 72 19:08 G4JNT 0.137475 -7 0 IO90iv 0.2 G8HUH IO81mg 124 290 17:46 G4JNT 0.137474 -26 0 IO90iv 0.2 GW4NOS IO81gp 172 300 16:36 G4JNT 0.137475 -20 0 IO90iv 0.2 M0DSZ IO82ls 241 331 15:58 G4JNT 0.137474 -27 0 IO90iv 0.2 DF1VB JO31sk 618 81

On 19 October 2015 at 17:24, Andy Talbot <[email protected]> wrote:

My 137kHz dual mode WSPR beacon is running. It randomly alternates between WSPR-2 and WSPR-15 mode (shifting frequency appropriately)

Two callsigns are in use, G4JNT on -2 and G8IMR on -15, this allows differentiation in the WSPR database. I see there are already spots from both modes in WSPRNet

EIRP is about 0.3 Watts

As it shifts randomly between modes, there may be an appreciable wait between the faster -2 transmission slots when it is sending -15 and then wating to resync its 2 minute sequence - be patient

Andy G4JNT / G8IMR

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