Re: Calling West Coast BITX operators
KD5WQD, near Albuquerque, NM (BITX20, but not 40)
Sent from my iPhone
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On Jun 5, 2017, at 7:55 PM, Jonathan Peakall <jpeakall@...> wrote:
Hi All,
Just curious, how many West Coast BITX operators are on this list? Anywhere on the left side of the country. If you don't mind, sound off with your state and town. I'll compile a list from the responses. I have three plus myself that I know personally:
WB0NPM - Escondido CA
KE7RTV - Sparks, NV
W7LTG - Spanish Springs, NV
KK6RPX, Albion CA
Thanks!
Jonathan - KK6RPX
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Re: Conflicting information
While not easy, you could use Vin on the Nano board to supply an external 7-20V to the Nano. Attached is a picture of a small board that does a little processing on the power before it goes to the Mega 2560 Vin. The red and black leads barely visible on the right come from the input PS source. I will likely run my B40 at 13.8V most of the time, as that's what my external PS is set at. The two yellow and black pins on the right side of the regulator pull that voltage off for the PA and (maybe) a fan. The yellow and black pins on the left go to the power connection on the TFT/VFO board. That board uses a buck converter to drop the voltage down to 7.6V, which goes to Vin of the Mega. The Mega provides the 3.3V and 5V needed by the rest of the board (i.e., the Ad9850 and the TFT display). A test with some suspect test equipment suggests the board draws about 25mA.
Jack, W8TEE
From: Dr Fred Hambrecht <AAR4MI@...>
To: [email protected]
Sent: Thursday, June 1, 2017 3:02 AM
Subject: Re: [BITX20] Conflicting information
Not the same as the as the 328. There is no 12 volt connector on the Raduino processor. There is on the R3 or 2560. The information you supplied refers to them. The 328 is powered from the 5 volt regulator on the Raduino board OR the USB connection. No automatic selection exists on? the Raduino. ? v/r Fred W4JLE ? ? Let's see if I can help. The Arduino site says this.- The Arduino/Genuino Uno board can be powered via the USB connection or with an external power supply. The power source is selected automatically. External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a 2.1mm center-positive plug into the board's power jack. Leads from a battery can be inserted in the GND and Vin pin headers of the POWER connector. The board can operate on an external supply from 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may become unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.
Automatically selected are the key words here. I had an UNO die because I plugged in the usb while it was already powered by DC jack.?This might have been a cheap chinese clone issue. I would advise against any DC power when connecting the Raduino for programming. The USB port has plenty of power for the Raduino.?
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Re: Bitx 40 Transformer windings
He's way ahead of you.
T1-T7 plus all the other inductors are described at the bottom of this webpage: ??
Jerry, KE7ER
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On Mon, Jun 5, 2017 at 04:38 pm, KM4TRT wrote:
Ashar, can you publish the windings for Transformers T1-T7.
?
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Re: Bitx 40 Transformer windings
(the 8:8:8 are reused. I expect the filter ones to be different, as the frequencies are different)
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Re: Bitx 40 Transformer windings
A previous simulation (I expect there are more around?): ? /g/BITX20/topic/4260835#21027torroids for the ubitx, which are reused from the bitx, afaik: ?/g/BITX20/message/23074
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Re: Europe to States BitX QSO
Hi Andy, Thanks for reply.Lets try CW & SSB. SSB will be the real test. What frequency do your phased verticals like? I do not have my Moxon up and my inverted v is tuned for upper end of 40m (7.3MHz) but I can use it anywhere on 40. I will listen from 0300z to 0400z and watch my email or DXSUMMIT for your freq. Where would you like to operate?? 73, Willy
On Tue, Jun 6, 2017 at 6:23 AM, Andy <andy9a3jh@...> wrote: I don't believe VOACAP :) especially during Sunrise... so we can try next days in my SR, about 03 UTC.
I prefer CW but OK also for LSB. I made many CW QRP QSO's with NA stations before with K2(5W) and 2 el phased verticals.
Antenna's are still alive and last days sometimes transmitting WSPR during night to west, about 15miliWatts with bitx + attenuator + Raspberry PI. Received also few reports from USA :)
73,
9a3jh Andy
On Tuesday 06 June 2017 03:24 AM, Willy wrote:
VOACAP propagation tools give only about a 10% chance unless high gain antennas are used. It looks like Spain might be the best shot.
73 Willy
On Mon, Jun 5, 2017 at 5:35 PM, William Maclean <w1ly@... <mailto:w1ly@...>> wrote:
? ? ---------- Forwarded message ----------
? ? From: *William Maclean* <w1ly@... <mailto:w1ly@...>>
? ? Date: Mon, Jun 5, 2017 at 4:43 PM
? ? Subject: Europe to States BitX QSO
? ? To: [email protected] <mailto:[email protected]>
? ? I would like to complete a BitX/BitX QSO over the pond.
? ? I have worked 30 DXCC entities SSB since I finished my BitX40 in
? ? April.
? ? The farthest was ZS6CCY at 12,500km but
? ? Most of those stations have BIG GUN antennas and I only have an
? ? inverted V at 18 m.
? ? I will set up a 40 meter Moxon pointed at Europe if the inverted v
? ? is not enough
? ? I think that the hour before sunrise at your location would give
? ? us the best chance.
? ? If you have completed a BitX/BitX EU-USA QSO let me know what worked.
? ? If anyone has an interest in this test drop me a line.
? ? 73, Willy W1LY
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Re: Calling West Coast BITX operators
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Re: Calling West Coast BITX operators
KG7UMN, John in Eugene Oregon.
?
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Re: Calling West Coast BITX operators
N6ALT in Eagle Point Oregon, Medford area.
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Re: Calling West Coast BITX operators
Great idea. I am a regular check in there too.? Early check ins
actually start at 10AM. And there are many relay stations so getting
in is easy.
On 6/6/2017 8:04 AM, peatmoss - ki6ssi
wrote:
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Hi Daniel, cool to
have a bitx neighbor!
I'll be listening on 7.182. We should all try and get on the noon
time net as well because its easy :) starts around 11 AM on
7.2835. State your qrp bitx. So far I've had 100% success checking
in.
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Re: Calling West Coast BITX operators
kk6wpx San Jose California
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Re: Calling West Coast BITX operators
Hi Daniel, cool to have a bitx neighbor!
I'll be listening on 7.182. We should all try and get on the noon time net as well because its easy :) starts around 11 AM on 7.2835. State your qrp bitx. So far I've had 100% success checking in.
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Re: Calling West Coast BITX operators
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Re: Calling West Coast BITX operators
Hahaha! Oops. Good catch. Make that 7.182? . Thanks for pointing
that out.
On 6/6/2017 7:19 AM, Jack Purdum via
Groups.Io wrote:
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In the afternoon a few of us check 7.812 between 1-3 in the afternoon. No schedule, just park it there and a make a few calls and see if anyone is around.
Probably
not a good idea!
Jack,
W8TEE
Looks like
we have 17 stations on the left side of the
continent so far:
WV7H, Enoch Utah
K7WXW, Portland, OR
VE7SXS, in Terrace, BC
K7SWF. Lake Havasu, AZ
KI6SSI - El Dorado Hills, CA
N7CCX - Portland metro area, Oregon
WB0NPM - Escondido CA
KE7RTV - Sparks, NV
W7LTG - Spanish Springs, NV
KK6RPX, Albion CA
KF7RSF, Bandon, Oregon
KI7KLT, Camas, WA
KK6WCG - Folsom, CA
W1JDS - Sunnyvale, CA??
KA7GPP, ?Arlington, WA
KK7ZD, Bothell, WA
N7PXY, Federal Way, WA
Makes me wonder the about the best way for us to connect. While chasing DX stations is fun, the odds are that the stations on this list could make contact fairly often. So, lets gather some opinions and ideas. Every other week QSO party? What time of day do you find 40 works best for west coast comms? Perhaps a daytime QSO party one week and an evening party the next? A WAWC (worked all west coast) net?
Also, there is a net in the AM called the Early Bird net and we have at least 4 BITX operators there every morning. 8AM, 7.186. Feel free to check in, bitx or QRO. In the afternoon a few of us check 7.812 between 1-3 in the afternoon. No schedule, just park it there and a make a few calls and see if anyone is around.
Thanks to all who responded and keep 'em coming. I'd love to be connecting regularly with other BITX operators as anyone who likes to tinker with a BITX is my kinda ham!
Jonathan
On
6/5/2017 11:46 PM, N7PXY wrote:
PJ, N7PXY
Federal Way, WA???? between Tacoma and Seattle
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Re: Calling West Coast BITX operators
In the afternoon a few of us check 7.812 between 1-3 in the afternoon. No schedule, just park it there and a make a few calls and see if anyone is around. Probably not a good idea!
Jack, W8TEE
From: Jonathan Peakall <jpeakall@...>
To: [email protected]
Sent: Tuesday, June 6, 2017 10:10 AM
Subject: Re: [BITX20] Calling West Coast BITX operators
Looks like we have 17 stations on the left side of the continent so
far:
WV7H, Enoch Utah
K7WXW, Portland, OR
VE7SXS, in Terrace, BC
K7SWF. Lake Havasu, AZ
KI6SSI - El Dorado Hills, CA
N7CCX - Portland metro area, Oregon
WB0NPM - Escondido CA
KE7RTV - Sparks, NV
W7LTG - Spanish Springs, NV
KK6RPX, Albion CA
KF7RSF, Bandon, Oregon
KI7KLT, Camas, WA
KK6WCG - Folsom, CA
W1JDS - Sunnyvale, CA??
KA7GPP, ?Arlington, WA
KK7ZD, Bothell, WA
N7PXY, Federal Way, WA
Makes me wonder the about the best way for us to connect. While chasing DX stations is fun, the odds are that the stations on this list could make contact fairly often. So, lets gather some opinions and ideas. Every other week QSO party? What time of day do you find 40 works best for west coast comms? Perhaps a daytime QSO party one week and an evening party the next? A WAWC (worked all west coast) net?
Also, there is a net in the AM called the Early Bird net and we have at least 4 BITX operators there every morning. 8AM, 7.186. Feel free to check in, bitx or QRO. In the afternoon a few of us check 7.812 between 1-3 in the afternoon. No schedule, just park it there and a make a few calls and see if anyone is around.
Thanks to all who responded and keep 'em coming. I'd love to be connecting regularly with other BITX operators as anyone who likes to tinker with a BITX is my kinda ham!
Jonathan
On 6/5/2017 11:46 PM, N7PXY wrote:
PJ, N7PXY
Federal Way, WA???? between Tacoma and Seattle
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Re: .1uf cap on tune knob question
Thanks for the info.? So in meantime I can put it in and get it all assembled and just add it on later!
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Re: Calling West Coast BITX operators
Looks like we have 17 stations on the left side of the continent so
far:
WV7H, Enoch Utah
K7WXW, Portland, OR
VE7SXS, in Terrace, BC
K7SWF. Lake Havasu, AZ
KI6SSI - El Dorado Hills, CA
N7CCX - Portland metro area, Oregon
WB0NPM - Escondido CA
KE7RTV - Sparks, NV
W7LTG - Spanish Springs, NV
KK6RPX, Albion CA
KF7RSF, Bandon, Oregon
KI7KLT, Camas, WA
KK6WCG - Folsom, CA
W1JDS - Sunnyvale, CA??
KA7GPP, ?Arlington, WA
KK7ZD, Bothell, WA
N7PXY, Federal Way, WA
Makes me wonder the about the best way for us to connect. While chasing DX stations is fun, the odds are that the stations on this list could make contact fairly often. So, lets gather some opinions and ideas. Every other week QSO party? What time of day do you find 40 works best for west coast comms? Perhaps a daytime QSO party one week and an evening party the next? A WAWC (worked all west coast) net?
Also, there is a net in the AM called the Early Bird net and we have at least 4 BITX operators there every morning. 8AM, 7.186. Feel free to check in, bitx or QRO. In the afternoon a few of us check 7.812 between 1-3 in the afternoon. No schedule, just park it there and a make a few calls and see if anyone is around.
Thanks to all who responded and keep 'em coming. I'd love to be connecting regularly with other BITX operators as anyone who likes to tinker with a BITX is my kinda ham!
Jonathan
On 6/5/2017 11:46 PM, N7PXY wrote:
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PJ, N7PXY
Federal Way, WA???? between Tacoma and Seattle
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Re: Dhl customs cost to the usa
Here in Ontario dhl took about 2 days after leaving hgsigs. So total of 4 days. However customs was $28. In addition, PayPal gives an exchange rate lower than the market which increased cost. My total was over 100cdn.?
I think it was worth it because dhl has awesome tracking and super fast shipping. ?
Jamie VA3RLF?
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Matt,
Check the speaker first with your meter on continuity / beeper setting.
Your volume control may be the problem. Just short the brown and red wires and see with volume set at max.
Mine packed up when I tried to tin the leads!
Raj
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At 06-06-2017, you wrote: First time builder here. Got my bitx40 all together. The unit powers up but I hear no static. The instructions say I should hear a low hiss even without it connected to an antenna. I hear nothing. Anyone have an idea on where to start? Failing that, anyone want a project? I should just stick to built rigs. I have poor eyesight and suffer from headaches all the time so I'm sure it's something I did. :(
73 Matt
W5LL
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Low mic gain and rf power
Hello everybody.
?
My name is Jirka, callsign OK1IEC, and I am new in the group. Recently I bought BITX40v3 and built it in the Al box. RX is ok, comparable? with my K2 in normal conditions. The problem is with transmitting ¨C I am not able to reach more than about 1W of output power shouting very loudly into electret mike. Mike change does not help, pot R136 is in the full gain position.
I? decided to do some measurements: I? used Audacity software to produce 1 kHz audio and connected it to Mic pins of BITX40 via 47uF capacitor.? I need 280mV p-p AF signal to get 6W RF output power on my dummy load.
AF signal levels:?? Mic (C121): 280 mV p-p;? C122: 410 mV p-p
RF signal levels: C132: 1.3V p-p;? C134: 3.45V p-p;? C141: 3.25V p-p; C152: 8.6V p-p; C155: 51V p-p; Antenna: 50V p-p.
It seems the RF chain is ok but? AF stage Q12 has suspectly low gain. Components seem to be ok, Q12 Uc=10V, Ue=2.26V
Any idea or advice appreciated. ?
73! Jirka
?
Trafo T4 in BFO mixer ??? BTW I see the difference between schematic (D15, D16, R106) and real components on the pc board.
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Willy
Eric Oberg
Joel Caulkins/N6ALT
Raj vu2zap
