Tag Archives: Markku Koskinen

The new Stampfl MWS-1 Standing Wave Barrier

Many thanks to SWLing Post contributor, Markku (VA3MK), who notes that Swiss manufacturer Stampfl has introduced the MWS-1 Standing Wave Barrier.

Stampfl notes (translated from German):

A standing wave barrier can improve reception. The standing wave barrier interrupts the ground loop and suppresses the interference caused by the cable shield.

This is designed only to work with receivers (not transmitters) between 0.15 – 30 MHz.

I suppose this might be a form of an RF choke, although I’m sure someone else might know better.

Thank you for the tip, Markku!

Click here to check out the MWS-1 at Stampfl.

NavCanada decommissions LW and MW non-directional beacons

10 Replies

Photo by John McArthur via Unsplash

Many thanks to SWLing Post contributor, Markku Koskinen, who shares the following announcement from NAV CANADA:

NAVAID Modernization Program – Phase 6 National

NAV CANADA, the country’s provider of civil air navigation services, conducted an aeronautical study that reviewed the requirement for Non-Directional Beacons (NDBs) and Very-High Frequency Omnidirectional Rangefinders (VORs).

The study concluded that given the comprehensive radar surveillance coverage, and the propensity of area navigation (RNAV) with GNSS equipped aircraft, many navigation aids (NAVAIDS) are no longer required and should be decommissioned.

Where a current NAVAID identified in the study serves as an instrument approach aid or anchors an airway segment, NAV CANADA will ensure that a RNAV (GNSS) instrument approach procedure or RNAV airway segment is published, where required, before removal of the identified NAVAID.

Implementation is ongoing and will progress for the next several years. The sixth phase is represented below. Subsequent Notices of Change will be published for each upcoming phase.

Indicator – NAVAID Facility Name

YEA – Empress VOR
XD – Edmonton/Blatchford NDB
YHK – Gjoa Haven NDB
NL – St. John’s/Signal Hill NDB
ML – Charlevoix NDB
YPH – Inukjuak NDB
YKG – Kangiqsujuaq NDB
YXK – Rimouski NDB
YMU – Umiujaq NDB
YRR – Ottawa/Greely NDB
UL – Montreal NDB
OU – Quebec/Ste-Foy NDB
YLQ – La Tuque NDB
UFX – Lourdes-de-Joliette/St-Felix-de-Valois NDB
NM – Matagami NDB
YLA – Aupaluk NDB
VLV – St-Georges/Beauce VOR
YZA – Ashcroft NDB
LU – Abbotsford/Cultus NDB
QQ – Comox NDB
IB – Atikokan NDB
VC – La Ronge NDB
ZHD – Dryden/Barclay NDB
YL – Lynn Lake NDB
QW – North Battleford NDB
TH – Thompson NDB
ZTH – Thompson/Headframe NDB
BY – Beechy NDB
QN – Nakina NDB
YSB – Sudbury VOR
ZSB – Sudbury/Noranda NDB
YXI – Killaloe VOR
YSO – Simcoe/Lindsay (Kawartha Lakes) VOR

This change will take effect August 12, 2021 at 0901 Coordinated Universal Time (UTC). The appropriate aeronautical publications will be amended.

Markku recommends the GP-5 Desk Pod (Gen 3) for the PL-368

5 Replies

Many thanks to SWLing Post contributor, Markku (VA3MK), who writes:

I just received this stand today, works and fits well with my orange Tecsun PL-368.

Click here to view at CountyComm.

What a nice and simple little stand! Thanks for sharing this, Markku. This would work (I assume) with any of the CountyComm and Tecsun Portables with a similar form factor.

A new Belka-DX DSP Speaker from Mobimax

9 Replies

Many thanks to SWLing Post contributor, Markku (VA3MK), who shares a link to this new Belka-DX speaker option from Mobimax:

This speaker option is similar to the one we featured a few months ago, but keeps the larger 2200 mAh battery pack and has fold-out legs. The compromise is the case will be a bit thicker/deeper than the speaker option without the larger battery and fold-out feet.

We’re talking about a pretty small radio, though, so I think this will be another great option for the excellent little Belka-DX.

I will plan to check out one of these in the near future.

Thank you for the tip, Markku!

Click here to check out this product at Mobimax.

Icom IC-705 firmware v1.20, programming software v1.10, and a new 3rd party remote app for Android

3 Replies

Many thanks to SWLing Post contributor, Markku Koskinen, who notes the following new and updated programs for the Icom IC-705 general coverage transceiver:

First, Icom has published firmware version 1.20 which includes a number of new features. We’ll post the full announcement below. Click here to view the release notes and download.

Secondly, Icom has published a new version (1.10) of their IC-705 programming software. The new release also includes a number of additions. Click here to view the release notes and download.

Finally, Markku notes that there is now an IC-705 Remote application on the Google Play app store.

The app appears to control basic functionality like tuning, band, mode, filter, and CI-V address switching. The app is free and should work on most Android devices.

Thanks for the tips, Markku!

Icom IC-R30 new firmware (v 1.11) now available

1 Reply

Many thanks to SWLing Post contributor, Markku Koskinen, who shares the following:

Just letting you know that Icom has released new firmware for the IC-R30 receiver.

Please read carefully and follow all instructions:

https://www.icomjapan.com/support/firmware_driver/

Changes from version 1.10: Fixed the problem of when the ANL of the band that is not used is ON, while the Dualwatch function is OFF, the received DCR audio may not be output from the speaker.

This firmware is for the USA version that has a serial number beginning with “16”.

This firmware is for non-USA versions that have a serial number beginning with other than “16”.

Thank you for the tip, Markku!