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SP Calibration 10 MHz unstable for me

(10)
Gotta get it working first :-).  I found the parts last night at home, put them in, but the turning CT3 didn't result in any changes at TP2.  I'm getting a
John Sutter
10
posts
1:34 PM

Soda Pop audio

(18)
Camil Changing the LM386 from gain 20 to gain 200 is effective only if you also change the AGC threshold as you proposed. 73, Guido HB9BQB
hb9bqb
18
posts
4:33 AM

SODA POP source code (+ rotary encoder fix)

(8)
Camil Cool! Congrats to your super job with the improved SP firmware and the dokumentation on the github! I will try but must first buy e Arduino with a inline
hb9bqb
8
posts
4:29 AM

ATS 3 and ATS3A

(4)
Both rigs have been taken. Thanks. Jonathan W0XO
kc7fys
4
posts
Apr 24

mtr3b with arduino inside

(8)
Hello! I fit my version of MTR to cigarette case http://www.ebay.com/itm/172179779992 73! Alexey UT0UM
ut0um
8
posts
Apr 21

Capacitor specs for other bands

(6)
OK, thank Steve. Enjoy your hike!
david_vk3il
6
posts
Apr 14

Hot Air Buils SODA

(4)
Oh yes! Like Martha is saying: I next "populated" around the secured ICs, to fill in and provide space to work and leave previously secured parts as
Steve Saslow
4
posts
Apr 12

mtr3b

(4)
The enquiry was about the 3 band MTR from LNR. I attached both the kit and LNR manuals, HTC 73, Colin
m1buu
4
posts
Apr 10

SP transmit

(18)
I would be happy to send you a new chip with a new firmware (have some lying around that I don't have any plans for), but the firmware needs to be written
Camil Staps
18
posts
Apr 10

SODA POP C11, C21, C55 and C56 Warning

(3)
Hi Rick I take it your one is on the world tour with Colin's. I was joking with him last night on FB that the radio will have visited more countries than its
John Coleman
3
posts
Apr 9

MTR-3B review by ARRL now online

(9)
I can't afford QST, sadly, involving what it does not do for me anymore. I do support the ARRL in a number of ways, especially in my earlier years. - I sure
Steve Saslow
9
posts
Apr 5

Soda Pop up and running - sorta

(7)
I seem to have fixed my problem. I had installed the 0.01 cap at C59, which the manual says will provide a slightly lower rolloff frequency. Removing it
Randy Moore
7
posts
Apr 4

Compatibility of MMBF4416

(3)
OK thanks Steve, I have a interest in the SODA POP TRX's receiver part because it does not use popular SA612 like a ATS-4 and MTR-3 I've built. And I think it
qrper723
3
posts
Apr 4

SODA POP band modules

(29)
Camil, These designs are looking good. I'll likely have a go at SMT 6m version some time later when I have bandwidth. I'll be very interested to see how the
David Giddy
29
posts
Mar 30

Soda Pop can't do 6 meters.

(24)
You could go one step further and make them semi-kits by also having shared projects from the electronic houses that support them like Mouser. So all someone
Anthony DeStefano
24
posts
Mar 27
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