23 Apr 2017

QRP and QRP Club report

This came in from Oleg:

Dear Club 72 members and friends,

Weekly QRP Rendez-Vous Report (April, 23, 2017)
Visitors  of the week: HB9DAX, RV3GM, UA1CEG/p, US5ERQ, DK1HW, UR7VT,
R1CAF,  R2FAE,  UY1IF,  R1OA,  G3XJS,  DL8MEL, PD7CJT, OK1KW, RU3NJC,
R1CAN, UA1ADF, UA1CEX, R2AJA, UR0ET, OH3GZ, F5OYS, Z35M
New Visitors - DL8MEL, F5OYS - you are welcome!
See full Visitors and Frequenters lists on the Club 72 page.
Some comments...
See full WQR Report including comments and pictures on the blog page -
http://qrp-club72.blogspot.ru/
Thanks  ALL for activity and comments.
See all QRPers on the next QRP Rendez-Vous

72! Oleg RV3GM / KH6OB "Mr. 72"


This is a periodic Newsletter of the Club 72. Don't reply to Newsletter address! Send any requests or news to
mr72@club72.su please.

Dunnock - NOT amateur radio

We get fewer small birds in the garden these days. I did see a robin feeding a new born on the lawn earlier today. A robin was flirting with a nestbox in the garden yesterday. I think it is sitting on eggs. There was activity there this morning.

Our most common birds are pigeons and blackbirds. There are smaller birds around, but they are not as common as they used to be.

The bird shown is a dunnock or hedge sparrow. These birds tend to lurk, but we see quite a few on our lawns.

See https://www.rspb.org.uk/birds-and-wildlife/bird-and-wildlife-guides/bird-a-z/d/dunnock/ .

Geosynchronous amateur satellite next year?

At the moment, 2018 seems the likely launch date of a Middle East satellite that includes a 250kHz wide linear amateur transponder. Now, it has to get into the right orbit and work. If successful, the 2.4GHz uplink and 10GHz downlink would enable very wide coverage around the world with small, fixed antennas. If it works, it could change amateur radio for ever. There are a lot of uncertainties.

See https://amsat-uk.org/satellites/geosynchronous/eshail-2/

6m MSK144 RX again

Yet again, I have chosen 6m MSK144 RX this morning as well as 10m WSPR TX again. This mode/band (MSK144/6m) never seems to fail unlike 10m WSPR that has been very poor of late with an absence of even locals.

Lack of activity, not conditions, seems to be the main reason why 10m seems "dead". If we don't use it, it may be allocated to CBers before the next peak. We have a wide allocation and could you really blame the FCC or OFCOM if they decided to reallocate? We'd only have ourselves to blame. As they say, " use it or lose it".  In this day and age, we deserve to lose it sadly.

UPDATE 0915z: On 6m already 22 stations spotted in 11 countries.

UPDATE 1035z: Surprise, surprise! Some 10m WSPR spots at last!
On 6m MSK144 RX the score is 25 stations in 12 countries spotted so far today.

Where do you buy HB100 10GHz modules?

Someone in Australia asked this recently. There are many sources on the internet at rock bottom prices. Remember the price includes a screened box,  dielectric resonator oscillator, PCB, 2 PCB antennas and a RX mixer! Think modern Gunnplexers. Incredible value!

Some are as low as $2.32 each with free shipping!!

See https://m.nl.aliexpress.com/search.htm?listType=keyword&keywords=hb100#/. This link is Dutch, but I am sure they have an English site too.

Sunspots and 10m - Sunday April 23rd 2017

Solar flux is 82 today and the sunspot number 29. A=54 and K=4. I am not expecting much of 10m WSPR today again. Indeed it has been many days with no WSPR spots lately. No spots yet again on 10m WSPR yesterday. 

22 Apr 2017

6m MSK144 RX and 10m WSPR TX

I only try 10m WSPR TX as this uses a different rig, no PC and a separate antenna, although it is days since anyone spotted me on 10m! It is a different story on 6m MSK144 RX where I have already spotted 18 stations in 6 countries so far on by this mode. Best 6m DX so far is IK0XBX (1355km) in Umbria, Italy. This mode and band never fail me. Conditions can be poor, but with this mode I still copy all over the place.

UPDATE 1225z:  23 stations in 11 countries on 6m MSK144 RX so far today. Best DX (also a new country) is EA6VQ (1424km) in the Balearic Is.

UPDATE 1508z: now 30 stations in 8 countries spotted on 6m MSK144 RX today so far. This is more stations than I can ever remember.

UPDATE 1822z: The score on 6m MSK144 RX is currently 31 stations in 12 countries.


Sunspots and 10m - Saturday April 22nd 2017

Solar flux is 82 today and the sunspot number 39. A=18 and K=6. I am not expecting much of 10m WSPR today, indeed it has been days with no WSPR spots lately.

HB100 10GHz frequency agility

Steve G1KQH sent me this link:

http://ik1zyw.blogspot.co.uk/2017/04/hb100-10-ghz-module-frequency-agility.html

You may recall that the HB100 is a very low cost Doppler radar module that can form the heart of a wideband FM 10GHz transceiver.

UK Rallies this Sunday

APRIL 23rd 2017 : 33rd YEOVIL QRP CONVENTION
Digby Hall, Hound Street, Sherborne, Dorset DT9 3AA. There are disabled facilities at this venue. The doors will be open between 9.30am and 3pm. There will be trade stands, a Bring & Buy, RSGB bookstall and stands for RSARS and RAFARS. A programme of talks will take place on the day. Refreshments are available on site. Details from Bob Harris by email to wjh069@gmail.com [http://yeovil-arc.com/qrpconvention]

APRIL 23rd 2017 : RIPON RADIO RALLY
Hugh Ripley Hall, Ripon, North Yorkshire, HG4 2PT. Doors open to stallholders at 7.30am and to the general public at 10am. Entry is £2 on the door, under 16s are free. Enquiries can be made via email to rally@ripon.org.uk www.ripon.org.uk/content/ripon-rally-2017

APRIL 23rd 2017 : ANDOVER RADIO AMATEUR CLUB SPRING BOOT SALE
Wildhern Village Hall, Tangley, Andover SP11 0JE Doors open from 10am to 4pm, with disabled gaining access earlier. Admittance is £2. There are tables in the hall and outside pitches. Hot food and drinks available. Contact Paul, G4KZY on 07775 738 200 or by email to paul.g4kzy@gmail.com.