FMDX Posts

Logs for February 2017 by JMN

QTH Uurainen, KP22RL

Feb 1

0625 567 E: RNE 5 Murcia, Murcia.
0625 774 E: RNE 1 Extremadura, Cacéres.

Feb 2

0503 1377 G: tent. Asian Sound Radio, Manchester. Just a bit too weak for ID – often alone on the frequency.
0508 666 POR: tent RDP 1. Recording to check.
0550 1584 G: tent. Panjab Radio, London. Nonstop punjabi mix only this time.
0625 855 E: RNE Cantabria, Santander.

Feb 3

1829 1134 E: COPE Jerez Radio Occidental

Feb 4

1457 1323 ROU: Marosvásárhelyi Rádió
1520 1170 UAE: Radio Abu Dhabi, Dhabbaya.

Feb 6

1633 1305 IRN: IRIB Radio Bushehr.
1647 810 UAE: Pravasi Bharathi, Maqta. No clear ID, recording to check but mentioning Abu Dhabi several times.
1701 1269 UAE: Radio Asia, Ras-al-Khaimah.
1740 810 MKD: Radio Skopje, Sveti Nikole.
1750 1653 +SRB: Romeo Radio, Djurinci. 600-1000 watts.

Feb 27

0452 1476 +I: Free Radio AM, Trieste (TS). Kunnollista IDiä tältä ei ole onnistuttu Jannen kanssa kuulemaan, mutta asema on monien tietolähteiden mukaan ainoa äänessä oleva tällä taajuudella, vaikka listattuja on kyllä pilvin pimein. Paikalliset kuuntelijat pystyivät tunnistamaan aseman kuitenkin tallenteesta, joten rohkenen logata. Tällä hetkellä ajetaan kuulemma sadalla watilla, mutta 1 kW tehomylly odottaa asentamista. QSL:ää vailla vielä… EDIT: QSL vahvistaa tehoksi 0.1 kW ja sloganiin perustuneen identifioinnin olleen oikean: ”Buonasera Jan Mikael, grazie per averci scritto, ti confermiamo il tutto, lo slogan della radio e’ corretto, siamo a bassa potenza al momento con solo 100 watt in antenna, una torre da 40 metri alimentata in configurazione folded monopole. Prossimamente prevediamo un potenziamento pari a 500/1000 watt. Abbiamo letto la tua email giunta al nostro indirizzo freeradio.am@gmail.it, se preferisci ti scriviamo anche li come conferma della tua ricezione. Un saluto da Trieste (Italia), Maurizio ed Alessia.”

 

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January 2017 logs by JJH

Here is log for January 2017 – Jyväskylä Finland KP22TF

Jan 9.

0705 1395 HOL: Studio Denakker

Jan 15.

0503 1380 USA: KRKO Everett WA ”Fox Sports Radio Everett”
0611 1140 USA: CHRB High River AB
0615 710 USA: KIRO Seattle WA ”ESPN Seattle 710”
0641 1410 CAN: CFTE Vancouver BC ”TSN 14-10 Vancouver”
0644 1520 USA: KKXA Snohomish WA ”Classic Country 1520 KXA”
0833 1090 USA: KFNQ Seattle WA ”The Fan”

Jan 16.

0331 1200 USA: KFNW West Fargo ND ”The Faith”
1645 1440 JPN: STV Sapporo

Jan 18.

0325 1310 CAN: CIWW Ottawa ON
0330 1080 USA: WTIC Hartford CT

Jan 19.

0614 936 I: RAI Veneto

Jan 25.

0246 930 CAN: CJYQ Saint John NL ”KIXX Country”

Jan 30.

0322 660 USA: KFAR Fairbanks AL, ”True What-a-hell feeling?! Alaska in this time of morning in this part of Finland”!
0324 670 USA: KBOI Boise ID
0327 850 USA: KOA Denver CO, ”Newsradio 850”
0349 750 CAN: CKJH Melforth SK, ”CK750”
0358 960 CAN: CFAC Calgary AB ”The Fan”
0459 1180 USA: WHAM Rochester NY
0528 1630 USA: KCJJ Iowa City IA
0530 1530 USA: KFBK Sacramento CA
0558 830 USA: WCCO Minneapolis MN ”Newsradio 830”
0619 1500 USA: WFED Federal News Radio, Wahington D.C.
0813 1050 USA: WEPN – ”ESPN Deportes Radio”

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Logs for January 2017 by JMN

Jan 1

0657 1431 G: Smooth Radio Essex

Jan 2

0625 639 E: RNE Galicia, Meson do Vento.

Jan 5

0619 801 G: BBC Radio Devon, Barnstaple.

Jan 7

0709 1580 CAN: CKDO Oshawa ON.

Jan 11

0623 774 G: BBC Radio Kent
0625 864 E: RNE5 Castilla La Mancha, Socuéllamos.

Jan 14

0700 1600 USA: WUNR Brookline MA.

Jan 15

0557 1380 USA: tent KRKO Everett WA. Sports, no ID.
0615 1000 USA: KOMO Seattle WA.
0632 820 USA: tent KGNW Seattle WA. Program ”Times of Refreshing”, no ID.
0659 1140 CAN: tent CHRB High River AB. Religious music.
0706 960 CAN: tent CFAC Calgary AB. Sports. Bad luck with ID’s today.

Jan 16

1656 1440 J: tent JOWF Sapporo. No ID, only All Night Nippon

Jan 19

0625 1125 E: RNE-5 Extremadura, Badajoz.
0629 855 G: BBC Radio Norfolk

Jan 21

0629 1269 E: COPE Badajoz
0632 1458 G: BBC Newcastle
0637 1420 CLM: Vida AM, Manizales
0700 1161 G: Tay 2, Dundee

Jan 22

0707 1540 CAN: CHIN Toronto ON. At least upper band was full (1490, 1500-10-20-40-60), but soon all gone.
1430 6295 HOL: Radio Telstar International. Fading condx, signal 5-9.
1635 3975 +SVN: David Bowie Radio. ID at least in the end of transmission. New pirate country!

Jan 25

0625 1305 E: RNE Pais Vasco, Bilbao.

Jan 30

0511 760 B: tent. Rádio Uirapuru. Recording to check.
0531 756 G: BBC Radio Cumbria, Carlisle.
1415 1242 J: JOLF Nippon Hoso, Tokyo. Nippon Hoso -ID, otherwise All Night Nippon //1440 kHz.
1418 1008 J: tent JONR Asahi Hoso, Osaka.
1453 1278 J: tent JOFR Mainichi Hoso, Fukuoka. QRM Iran.
1455 1287 J: JOHR Hokkaido Hoso, Sapporo. ”HBC Rajio”
1520 1386 KOR: tent MBC Mokpo with too weak NHK station. Possible ID at 1558, mentioning Imnida.
1540 1017 J: JOLB NHK Fukuoka. ”JOLB NHK Fukuoka daini hoso de” TNX JKZ!
1601 1143 TWN: Fishery Radio Station, Penghu. ”Yuyeh Kuangpo Tientai”
1630 1278 IRN: Radio Kermanshah, Kermanshah.

 

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13.10.2016 Nice Aurora signals

After nice tropo signals to Sweden there was a great aurora signals. Geomagnetic activity was intensifying as Earth passes through the wake of a CME that was hit our planet. Below is short log:

73.49 1607 BLR BR Radio Stalitsa, Braslaw/RTPS 736km
72.98 1611 BLR BR Radio Vitebsk, Braslaw/RTPS 736km
71.48 1617 BLR BR Radio Vitebsk, Vitebsk/RTPS Jurjeva Gorka 824km
73.10 1638 RUS Grad Petrov, Sankt-Peterburg/Olgino (SP) 346km
71.69 1639 BLR BR Kanal Kultura, Brest/RTPS Rakitnica (BR) 1126km
67.64 1642 BLR BR Radio Vitebsk, Myadzel/RTPS Telyaki (MI) 818km
91.80 1700 S SR P2, Västervik/Fårhult TM (ka) 716km
100.30 1704 S SR P4, Skövde/Åsbotorp 2/Billingen TM (vg) 776km

+ plenty of OIRT Rossii stations.

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DXpedition to backyard – Lapland Tropo 11102016

Tropo forecasts promised good condx for Lapland, not much activity there, so results not known. Today’s ducting was favorable for Central Finland. In the morning just some typical SR stations for this QTH with fair signals (no RDS). However one personal new catch: Radio Rossii Karelia 72.17 just over the noise level with Tecsun, but clear ID. TNX JJH!

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In the work (driving van) I was lucky to follow signals from 350-450 km improving all the day with the car radio. The morning was foggy, lot’s of accidents because of zero visibility and icy roads. The fog was accompanying us all day long, even temperature reached plus degrees in the afternoon. Still nothing special on lunch hour at home. Unfortunately Triax 4el can see only AZI 100-280 from the balcony…

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As Janne (JJH) said: ”Kalix tulee niin lujaa, että sen pitäisi kuulua mummon hetekallakin” (culture-bound, impossible to translate). Thanks to my good old lad, I moved the Yagi from balcony to backyard and placed RX’s on a less-elegant garden chair. Between the pines, the Northern sky can be seen.

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Word, Kalix was so strong, that it could have come even with a whip!

14657724_10211066009632282_1908063529_n

Usually here is YLE Lahti 50 kW / 166 km

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..and here Järviradio Jyväskylä 3 kW / 34 km

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Such a fresh autumn afternoon today, but with the hot coffee it was fun for two hours. Then it was already getting dark and conditions seemed to be stuck on this direction. New H stations ided and recorded, and nothing special was heard using V polarization.

SR-transmitters from Örnsköldsvik, Sollefteå, Vännäs, Lycksele, Arvidsjaur, Älvsbyn, Kalix, Överkalix and Gällivare were noted. Possibly also Storuman and Vuollerim (150 W!). For some loggings, please have a look: http://www.fmdx.tk/october-logs/

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October logs

Oct 2
1620 6320 HOL: Telstar Radio International
1625 6285 HOL: Zender Akenzo. s9+10 dB.
1645 6300 UNID. Jingles ”Nonstop music”. Playlist: Delilah, Popcorn. s9+
1709 7580 I: Radio Latino, Central Italy.
1715 6340 UNID playing Gazebo: I like Chopin and Alphaville: Forever Young
1808 6318 UNID playing Queen: I want to break free

Oct 5
0439 549 IRL: Spirit Radio.

Oct 6
0455 837 E: COPE Sevilla. ”91.4 y 99.6 fm, en onda media 837, COPE Sevilla”
1735 1305 E: RNE5 Castilla La Mancha, Ciudad Real. ”Radio Cinco, Castilla La Mancha”

Oct 8
1623 6290 HOL: tent. Johnny Tobacco. No ID but Jope Ruonansuu with S9+20 dB = ”ID”.

Oct 9
1720 6317 G: Rock Radio Network. Probably from the UK. Fluent English DJ’s.
1725 6205 HOL: Technische Man, Ruurlo. Announcing the phone number also in French
1754 6295 IRL: Reflections Europe.
1820 6265 HOL: Zender Akenzo S9+20 dB
-1840 6215 HOL: Radio Carbonade. Request songs Jope and Paranoid. From tobacco factory.
1915 6320 HOL: tent. Radio Quadzilla. Nonstop 80’s rock show.

Oct 11
0450 72.17 RUS: Radio Rossii Kareliya, Muyezerskiy -tx.
0700 103.9 S: SR P4 Västerbotten, Skellefteå. Also 100.0, 96.3.
1328 104.3 S: Mix Megapol 105.2 Norra Norrland. Kalix -tx.
1340 103.8 FIN: tentative YLE Sámi Radio, Kolari. 567 km. No ID, but px in Sami language.
1350 104.6 S: Rix FM 105.6 Luleå, Älvsbyn -tx. ID as Rix FM only, regional wx & spots.
1405 103.2 S: SR P4 Norrbotten, Överkalix. Also 91.7 and 99.0 from here.
1405 102.2 S: SR P4 Norrbotten, Kalix. Also 91.3, 93.6, 97.9 from this tx.
1405 102.9 S: SR P4 Norrbotten, Älvsbyn. //102.2, 103.2. No ID. Also 90.6, 94.5 and 99.4.
14xx 100.4 S: tentative SR P4 Norrbotten, Vuollerim. 150 W / 495 km. Only ”language ID”.
Also many other SR transmitters noted, but not ided or logged.

Oct 12

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1437 101.0 S: SR P4 Dalarna, Mora. I have been thinking this is impossible because of Radio Aalto, Jyväskylä -tx (34 km). But today it came with strong signal.
1518 100.7 S: SR P4 Gävleborg, Hudiksvall.
1520 101.2 S: SR P4 Västernorrland, Sollefteå.
1520 100.1 S: SR P4 Västernorrland, Örnsköldsvik. No ID // 101.2.

Also many other high power SR P1-3 transmitters were audible, from Skellefteå to Hudiksvall.

Oct 13

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0143 107.0 S: NRJ Hälsingland, Hudiksvall. ”NRJ Hälsingland 107.0”
0435 106.3 S: Vinyl FM Dalarna, Mora. Regional commercials 0445-0450
0908 104.0 LVA: Latvijas Radio 1, Valmiera-tx. ”Latvijas Radio” -ID

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1710 91.5 LVA: Latvijas Radio 2, Riga. ”Latvijas Radio Divi”
1719 105.2 LVA: tent. Radio SWH, Riga. Commercials in Latvian.
1725 107.7 LVA: Latvijas Radio 4, Riga. ”Latvijska Radio Chetyre” -ID
1745 95.7 POL: tent. PR 1, Gdansk-tx. Programme in Polish, no ID.
1830 105.3 LTU: tent. LRT Klasika, Klaipeda-tx. Classical music only, must be this one.

Oct 19

0446 711 E: COPE Murcia.
0452 549 ALG: Jil FM.

Oct 20

0456 1134 E: COPE Salamanca. ID at first. Jerez dominated rest of the break.
0510 666 G: BBC Radio York.
0513 765 G: BBC Essex

Oct 22

0517 1431 G: Smooth Radio. Network ID only.
0528 765 G: BBC Essex
1519 6305 D: Radio Marabu.
1537 3930 HOL: Zender Kachelboer / Stove Farmer. New station with this name (ex. Bluestar)
1623 6240 HOL: tent Radio Python.
2218 1044 E: SER Radio San Sebastián.
2219 1521 E: SER Radio Castellón. Multiple ID’s. Saturday night break at 2218 UTC.
2259 1584 E: SER Radio Gandia. Too weak for audio report.

Oct 23

1608 6385 HOL: Radio Zender Zodiac. ”broadcasting from Central part of the NL, nearly 100 W”
1700 5050 HOL: Sluwe Vos Radio.
1714 6285 HOL: Zender Akenzo.
1720 6322 HOL: tent. Radio Joey. Jingleistä ei saanut mitään tolkkua, chatin mukaan Joey.
1727 6240 CZE: Radio Caroline International / Radio Goofy.
1730 3905 HOL: Radio Station Relmus from the North of the Netherlands.
1745 6205 IRL(?): Coast FM.
1825 3905 HOL: Kachelboer.

Oct 24

0427 1269 E: COPE Badajoz. Dominant in my QTH.
0427 1296 E: COPE Valencia.
0450 1026 E: SER Andalucia. Jaen or Jerez. Regional at this time.

Oct 26

0455 1161 G: Viking 2, Hull
0500 1485 G: BBC Radio Humberside
0523 1026 G: BBC Radio Cambridgeshire
0525 747 E: RNE Andalucia, Cadiz

Oct 27

0448 1134 E: COPE Jerez Radio Occidental
0500 918 E: tent. Radio Intereconomia. No ID.
0512 774 G: BBC Radio Kent.
0525 747 E: RNE Andalucia, Cadiz.

Oct 30

0525 1071 CZE: CRo Plus. Surprisingly Czech here – earlier using shared tx’s with CRo2, now own tx’s!
0533 1071 G: TalkSPORT, Newcastle/Clipstone.
0559 738 RUS: Vsemyrniya Radioset, Moscow.
0601 828 RUS: Radiogazeta Slovo, St. Petersburg.
0602 882 G: BBC Radio Wales.
0605 999 I: RAI 1, Volpiano-tx.
0612 1107 D: AFN The Eagle. Still here, should have stopped broadcasting on this FQ.
0620 981 CZE: Radio Cesky Impuls.
0624 891 HOL: Radio 538, Hulsberg. Informative recording of closure of their service on this frequency.

Oct 31

0500 1017 G: Free Radio 80’s
1550 6100 AFG: Radio Afghanistan, Kabul.

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Total 400 logs for FMDX season 2016

The end of August brought some ES stations and the number of logs reach 400 total. More than 100 of those stations are new-for-me, so the season can be considered a good one (using only one receiver, no SDR). Magical Tropo Day 26 August will be written in Finnish FMDX History – guys on Southern Coast heard numerous new countries! Czech Republic is not common catch but it all started with nice regional stations caught by many listeners in South and South-Western Finland. Soon they got Austria (many transmitters), Slovenia 88.5 by MB and in the end Croatia (Zagreb and Ivanscica transmitters!). The new Finnish tropo record is 1691 km by JJJ Mynämäki. Congratulations to everyone! Also Slovakia was heard for the first time by ducting. Other logged countries were Belarus, Denmark, Estonia, Germany, Latvia, Lithuania, Poland, Romania, Russia and Sweden. HNG, KAL, NOR and UKR have been heard earlier in Finland by tropo, but those countries were not logged that day. Now total is 23 heard countries by Tropo. Unfortunately these conditions didn’t reach inner Finland, so the longest was Suwalki 105.5 from here.

On Sunday 28 Aug ES season was completed with nice OIRT opening, mostly to Kirov and Perm. Surprisingly Radio Rossii stations have regional window till 0800 UTC on sunday mornings. Regional programs were on air already at 0730, possibly they started at 0710 UTC.

total 400 logs

Based on total number of my personal QSLs, some statistics on ”most important countries and languages for FMDXer”

1. Russia (110 QSLs)
2. Germany 67
3. Italy 65
4. France 39
5. Czech Republic 37
6. UK 35+3
7. Ukraine 29
8. Romania 27
9. Serbia 22
10. Sweden 22

If we look at the map, the result can be explained geographically. Bigger the country is, more conditions will be favorable to this area. Only CZE and SRB are smaller countries among the list, probably stating that those countries have a relatively good number of local stations to listen to..

FM season seems to be closing, it is time to concentrate on AM – especially TA signals. Lattemiele played a song (23082016) that suits pretty well for this time of year.

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Pientä tropoa

24.8 – Ei mitään maata mullistavaa, mutta pitkästä aikaa pohjoisen SR-asemat kuuluivat normaalia paremmin. Harmillisesti ei kuitenkaan niin hyvin, että pitkään jahtaamani Radio Skellefteå 89.7MHz olisi luureihin tarttunut. Muutaman kerran se on vuosien varrella noussut toviksi, muttei koskaan idille saakka. Parille seuraavalle päivälle ”LENni” enteilee hyvää, joten täytyypä olla kuulolla.

100.10 0435 S SR P4, Örnsköldsvik/Åsberget TM (vn) PI logged: E224 PS logged: SR_P4___ 375km
94.40  0443 S SR P2, Örnsköldsvik/Åsberget TM (vn) PI logged: E402 PS logged: SR_P2___ 375km
95.40  0443 S SR P2, Lycksele/Knaften-Rålidsberget TM (vb) PI logged: E402 PS logged: SR_P2___ 432km
96.30  0444 S SR P2, Skellefteå/Prästfäbodsberget TM (vb) PI logged: E402 PS logged: SR_P2___ 366km
101.20 0447 S SR P4, Sollefteå/Multrå-Flugtjärnshöjden TM (vn) 432km
103.30 0450 S SR P4, Lycksele/Knaften-Rålidsberget TM (vb) PI logged: E224 PS logged: SR_P4___ 432km
93.50 0514 S SR P2, Sollefteå/Multrå-Flugtjärnshöjden TM (vn) PI logged: E402 PS logged: SR_P2___ 432km
96.90 0516 S SR P2, Sundsvall/Södra Stadsberget TM (vn) PI logged: E402 PS logged: SR_P2___ 431km
98.70 0603 S SR P3, Lycksele/Knaften-Rålidsberget TM (vb) PI logged: E203 PS logged: SR_P3___ 432km
92.70 0607 S SR P1, Sundsvall/Södra Stadsberget TM (vn) PI logged: E201 PS logged: SR_P1___ 431km
97.10 0612 S SR P3, Arvidsjaur/Julträsk-Akkanålke TM (no) PI logged: E203 PS logged: SR_P3___ 491km
97.90 0613 S SR P3, Kalix/Långträskryggen TM (no) 425km
94.40 0755 S SR P2, Örnsköldsvik/Åsberget TM (vn) 375km

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July-August 2016

Although June was not a perfect FMDX month, then July was a total flop. Fortunately August has been a bit more active so far..

FMDX 07 and 08-2016

The evenings are getting darker and the interest turns to AM. Some nice TA-catches on 49 mb in the mornings, no reason to forget Iberian peninsula and it’s numerous MW stations and of course (listening) free radio will be fun, in case there is no tropospheric ducting.

The holiday season will finish in Central Europe, so it is time to send some FM-reports again. The goal is to have 100 FM QSL’s for this season  – 25 to go!

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Viisi syytä kuunnella meteoreja

Moni voi kysyä, mitä järkeä on metsästää asemia lyhytkestoisilla heijastuksilla, joista valtaosa on sekunnin mittaisia minipingejä ja pisimmätkin harvoin kestävät edes 10 sekuntia. Onkin totta, että jos DX-kuuntelu muutenkin on hieman erikoisten ihmisten hommaa ja FM-kuuntelu vaatii jo eräänlaista tärähtämistä niin me meteorikuuntelijat vasta outolintuja olemme omiemmekin joukossa. Mutta mitäpä tuosta, top 5 audiotiisereineen!

Syy 1: Meteori”keli” on pääsääntöisesti ennustettavissa. Siinä missä satunnainen E tulee milloin huvittaa, meteorit voi katsoa kalenterista ja kompassista. ”Pääsääntöisesti” siksi, että on noita ollut floppejakin, jossa maksimi on jäänyt hyvin vaisuksi. Ennustettavuudesta esimerkkinä RBB Fritz kuului Soundgarten ohjelmallaan vain 15 minuutin kytistelyn jälkeen.

Syy 2: Asemavalikoima on erilainen. Meteorilla voi kuulla sellaisia asemia, jotka ovat tropolle turhan kaukana ja sporadiselle E-kerroksen heijastumalle vähän liian likellä. Ionisaatio on harvoin niin voimakasta, että alle 1500 km skippi jaksaisi taittaa yli 100 MHz taajuuksia ja se tuntuu menevän sitä hankalemmaksi mitä lyhyempi hyppy on kyseessä. Vastaavasti yli 1000 km jälkeen tropokin muuttuu haastavemmaksi. Meteoreilla voi siis täydentää tuota hankalaa kelityyppien rajapintaa, erityisesti valitsemalla monitoroinnin kohteeksi taajuuden, jolla on jotain mielenkiintoista kuultavaakin. Lähes joka kiviltä jää muutama itselleni uusi asema plakkariin. BB Radion olen toistaiseksi onnistunut kuulemaan vain MS-kelityypillä (1303 km)!

Syy 3: Myös pienet tehot ovat mahdollisia! Vaikka varmasti yli 90% meteoriasemista onkin teholuokassa 30-100 kW, aina sieltä seasta pienitehoisempiakin nousee idille. Perseideillä esimerkiksi 3 kW tehoinen Deutschlandfunk idasi taajuudella 88.7 MHz. Ennen pitkää se 3 kW lähettimestä kantautuva signaali kuuluu harvinaiselle kaupalliselle pikkuasemalle. Eikä DLF suinkaan ollut ainoa, tämä 4 kW tehoinen mylly kuului tehoonsa nähden varsin kirkkaasti.

Syy 4: Myös pitkäkestoiset pingit ovat mahdollisia! Vaikka suurin osa pingeistä onkin tuhottoman lyhyitä audiosta tunnistamista ajatellen, joka sateella tulee useita 3-5 minuutin pituisia heijastumia. Etenkin laajakaistatallentajille ne ovat nannaa ja mato-ongellakin osuu useimmiten mukavia asemia. MP3: BBC Radio 2 + NRK P1 88.7 MHz 3:30 min

Syy 5: Meteoribongaus onnistuu pilviselläkin säällä. Yhtäkään perseidiä en nähnyt paljaalla silmällä yrityksistä huolimatta, mutta radion kautta kuulin (ja näytöllä näin) niitä satoja.

meteoriidit
Kuuden vuoden aikana meteorihavaintoja on kertynyt jo sen verran, että rohkenen esittää jonkinlaista ”statistiikkaa” empiiristen havaintojen perusteella. Jotta meteorikuuntelu olisi mahdollisimman mielekästä, olen pyrkinyt käyttämään havainnointitaajuutena sellaista, missä olisi itselle jokin uusi mieluinen asema ID:n osuessa kohdalleen. Sellaisia ovat esimerkiksi Pohjois-Saksan kaupalliset isot ketjut ja puolalaiset alueradiot. Pelkästään mahdollisimman iso teho ei ole taajuutta valittaessa ainut kriteeri, sillä vaikuttaa, että tuosta optimihaarukasta(1400-1700 km) 20-30 kW tehoiset asematkin pingaavat tuhkatiheään. Käppyrää laadittaessa vääristymää syntyy jo monitorointitaajuuksien valinnassa – joka taajuudella kun ei ole suurtehoasemaa tarjolla kaikkiin hahloihin. Osaa taajuuksista on monitoroitu tuntitolkulla ja toisilla vain käväisty kun haluttu asema on idannut heti kättelyssä. Lisäksi käppyrässä on huomioitu (RDS-tallennuksen puutteessa) vain audion perusteella tunnistetut tai id:n antaneet asemat, joiden osuus kaikista heijastumista lienee promillen luokkaa – sattumalla on iso osuutensa. Pylväsdiagrammin perusteella voi kuitenkin arvailla jonkinlaisen optimin olevan n. 1550 km nurkilla, joten ihan helppoa tuo 1000-1500 km etäisyydellä sijaitsevien asemien kuuntelu ei meteorien avustuksellakaan ole!

English summary: five reasons to tune in meteor scatter

1. Meteor conditions can be seen on your calendar, unlike the Sporadic E!

2. A variety of stations is different – fill the range (more or less 1000-1500 km) between tropospheric propagation and Sporadic E reflection!

3. Most of the signals come from 30-100 kW high power transmitters, but also lower power is possible. It may allow also small private stations to be caught on this range!

4. Also long lasting reflections are possible! Every shower has many reflections with duration 3 to 5 minutes.

5. Observing shooting starts is possible even in cloudy weather conditions!

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